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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL ABEJUELA</PersonNm>
        <TitleTxt>ASSOCIATE GENERAL COUNSEL</TitleTxt>
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        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>213620</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>40256</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ERIN ALLIGOOD</PersonNm>
        <TitleTxt>DIRECTOR, HR &amp; ADMIN</TitleTxt>
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        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>200426</ReportableCompFromOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LESLIE DANIELLO NOBILE</PersonNm>
        <TitleTxt>SR. DIR OF GLOBAL REGISTRY</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>211092</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>61854</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>PETER TOSCANO</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>192543</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>52676</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JASDIP SINGH</PersonNm>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>172974</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MAUREEN SEILER</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>171638</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>59440</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>EDWARD MACDONALD</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>168054</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>47975</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>3910544</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>876696</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>45</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MCDERMOTT WILL &amp; EMERY LLP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>500 NORTH CAPITOL ST NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20001</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LEGAL/CONSULTING SERVICE</ServicesDesc>
        <CompensationAmt>960976</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>VIRIDION LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>304 INDIAN TRACE SUITE 888</AddressLine1Txt>
            <CityNm>WESTON</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>33326</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CARIBBEAN OUTREACH LIAISON</ServicesDesc>
        <CompensationAmt>194400</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>2</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION MAINTENAN</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>18294251</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>18294251</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION ALLOCATIO</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1315263</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1315263</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>NETWORK TRANSFERS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>353100</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>353100</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIPS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>85000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>85000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>27018</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>27018</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>27000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>27000</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>20101632</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>532347</TotalRevenueColumnAmt>
        <ExclusionAmt>532347</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>4012113</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>3561920</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>450193</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>450193</TotalRevenueColumnAmt>
        <ExclusionAmt>450193</ExclusionAmt>
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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>21084172</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20101632</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>982540</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>27500</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>188980</TotalAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>3594224</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>5504472</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>801850</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>1242265</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>533623</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>450077</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47294</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>50880</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>79733</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>490276</TotalAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>626330</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>616662</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>508945</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>1289308</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>496780</TotalAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>3502069</TotalAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>INTERNET/COMMUNICATIONS</Desc>
        <TotalAmt>634105</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>INTERNET SUPPORT</Desc>
        <TotalAmt>388457</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>OUTREACH EXPENSES</Desc>
        <TotalAmt>86776</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT EXP</Desc>
        <TotalAmt>45295</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>144551</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>21350452</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>250</BOYAmt>
        <EOYAmt>250</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>3724504</BOYAmt>
        <EOYAmt>1466146</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>373911</BOYAmt>
        <EOYAmt>277329</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>760782</BOYAmt>
        <EOYAmt>676228</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>32721285</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>23134296</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>10175152</BOYAmt>
        <EOYAmt>9586989</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>23642476</BOYAmt>
        <EOYAmt>29892778</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>188471</BOYAmt>
        <EOYAmt>116930</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>38865546</BOYAmt>
        <EOYAmt>42016650</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1757397</BOYAmt>
        <EOYAmt>1780032</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>7308149</BOYAmt>
        <EOYAmt>9263858</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>2383730</BOYAmt>
        <EOYAmt>2194623</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>11449276</BOYAmt>
        <EOYAmt>13238513</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>27416270</BOYAmt>
        <EOYAmt>28778137</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>27416270</BOYAmt>
        <EOYAmt>28778137</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>38865546</BOYAmt>
        <EOYAmt>42016650</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-266280</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>3347495</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-1719348</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>14749883</DuesAssessmentsAmt>
      <NonDeductibleLbbyngPltclCYAmt>50880</NonDeductibleLbbyngPltclCYAmt>
      <NonDeductibleLbbyngPltclTotAmt>50880</NonDeductibleLbbyngPltclTotAmt>
      <TaxableAmt>50880</TaxableAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMERICAN REGISTRY FOR INTERNET NUMBERS, ARIN, MEMBERSHIPS CONSIST OF INTERNET RESOURCE HOLDERS. THERE ARE TWO TYPES OF MEMBERSHIPS AT ARIN. ONE TYPE IS THOSE ORGANIZATIONS WHO HOLD IP ADDRESS ALLOCATIONS THAT ARE AUTOMATICALLY CONVEYED MEMBERSHIP RIGHTS. THESE ORGANIZATIONS PAY THE BULK OF ARIN'S OPERATIONAL EXPENSES ON A RECURRING BASIS. THE ALLOCATION FEES ARE SET AT $250, $500, $1,000, $2,000, $4,000, $8,000, $16,000, $32,000, $64,000, $128,000 AND $256,000. THERE IS NO SET MEMBERSHIP AMOUNT ASSOCIATED WITHIN THE ALLOCATION FEE. THE SECOND TYPE OF MEMBERSHIP ARE THOSE ORGANIZATIONS WHO HOLD IP ADDRESS ASSIGNMENTS AND/OR AUTONOMOUS SYSTEM NUMBERS WHO CHOOSE TO PAY A $500 SPECIFIC MEMBERSHIP FEE FOR THE MEMBERSHIP RIGHTS. WE ARE SHOWING THE ENTIRE REVENUE FROM IP NUMBERS ALLOCATIONS, AS WELL AS THE SPECIFIC MEMBERSHIP FEE IN PART III. ARIN COLLECTS A $300 USD NON-REFUNDABLE PROCESSING FEE FOR EACH TRANSFER REQUEST OF INTERNET NUMBER RESOURCES. THIS FEE IS APPLICABLE TO 8.2 TRANSFERS FOR MERGER, ACQUISITION, AND REORGANIZATION, 8.3 TRANSFER TO SPECIFIED RECIPIENTS WITHIN THE ARIN REGION AND 8.4 TRANSFERS FOR INTER-RIR TRANSFERS TO SPECIFIED RECIPIENTS. THIS TRANSFER PROCESSING FEE IS WAIVED FOR 8.3 AND 8.4 TRANSFERS WHEN THE SUBJECT RESOURCES ARE UNDER AN EXISTING REGISTRATION SERVICES PLAN (RSP). TRANSFERRED RESOURCES WILL BE SUBJECT TO ANNUAL FEES AS STIPULATED BY THE FEE SCHEDULE. THE ANNUAL MAINTENANCE FEE FOR AUTONOMOUS SYSTEM NUMBER (ASN) HOLDERS AND END USER FEES ARE $150 PER OBJECT FOR AN ORGANIZATION. AN ORGANIZATION'S MAINTENANCE FEES ARE $150 FOR EACH ASN, IPV4 AND IPV6 ADDRESS BLOCK ASSIGNED TO THE ORGANIZATION. AT THIS SAME TIME THE SPECIFIED TRANSFER LISTING SERVICE FOR FACILITATORS RECURRING ANNUAL FEE IS $1,000 ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>2348632</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>752479</DepreciationAmt>
        <BookValueAmt>1596153</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>6340220</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5340859</DepreciationAmt>
        <BookValueAmt>999361</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>24032433</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>17040958</DepreciationAmt>
        <BookValueAmt>6991475</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>9586989</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO ICANN</Desc>
        <Amt>114150</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT</Desc>
        <Amt>1970154</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO APNIC</Desc>
        <Amt>110319</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>2194623</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>24554334</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>3347495</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>202400</DonatedServicesAndUseFcltsAmt>
      <RevenueNotReportedAmt>3549895</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>21004439</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>79733</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>79733</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>21084172</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>21473119</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>202400</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>202400</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>21270719</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>79733</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>79733</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>21350452</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ARIN IS A QUALIFYING NOT-FOR-PROFIT ORGANIZATION AS DEFINED IN SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE AND IS EXEMPT FROM FEDERAL INCOME TAXES. ARIN DID NOT HAVE ANY UNRELATED BUSINESS INCOME THE YEARS ENDED DECEMBER 31, 2019 AND 2018. ACCORDINGLY, NO PROVISION FOR INCOME TAXES HAS BEEN MADE IN THE ACCOMPANYING FINANCIAL STATEMENTS. MANAGEMENT EVALUATED ARIN'S TAX POSITIONS AND CONCLUDED THAT ARIN HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO THE FINANCIAL STATEMENTS TO COMPLY WITH THE PROVISIONS OF THIS GUIDANCE. GENERALLY, ARIN IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE U.S. FEDERAL, STATE OR LOCAL TAX AUTHORITIES FOR YEARS BEFORE 2016.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PARTS XI</FormAndLineReferenceDesc>
        <ExplanationTxt>PLEASE NOTE SCHEDULE D, PART XI, 2.B. LISTS $202,400 OF DONATED SERVICES. THESE DONATED SERVICES CONSIST OF TRANSACTIONS RELATED TO INTERESTED PARTIES. THEY WERE ALL "CONTRIBUTIONS IN KIND" SERVICES. THE MAJORITY OF THE DONATED SERVICES IS THE ARIN WEB HOSTING SERVICES PROVIDED BY VERISIGN, SMITCOM, PACKET CLEARINGHOUSE (PCH) AND CIRA. ARIN BOARD MEMBER BILL SANDIFORD IS A BOARD MEMBER OF CIRA. THE VALUE OF THESE CONTRIBUTED SERVICES IS MARKET PRICED AT $60,000 PER YEAR FOR VERISIGN, SMITCOM AND PCH AND $21,600 PER YEAR FOR CIRA. SPONSORS OF ARIN'S MEMBERS MEETINGS THAT CONTRIBUTED THEIR SERVICES TOTALING $800 FOR 2019. WHILE THESE SERVICES WERE SUPPLIED TO ARIN FOR FREE, ARIN RECOGNIZED THE SERVICES RENDERED AS CONTRIBUTION REVENUE WITH AN OFFSET SHOWING THE EXPENSE IN THE COMMUNICATION CATEGORY AND THE MEMBERS MEETING CATEGORY RESPECTIVELY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <TypeOfActivitiesConductedTxt>ARIN 43 FELLOWSHIPS</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>8090</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <TypeOfActivitiesConductedTxt>ARIN 44 FELLOWSHIPS</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>15646</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO CTU</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>55000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO CANTO</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>5700</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>BEVIL WOODING, BASED IN TRINIDAD AND TOBAGO, WAS CONTRACTED AS ARIN'S CARIBBEAN LIAISON TO PERFORM OUTREACH TO THE CARIBBEAN ISLANDS THAT FALL UNDER ARIN'S ADMINISTRATIVE SERVICE REGION.</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>194400</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO ITU</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>41215</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO STICHTING NLNET</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>10000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO STICHTING GLOBAL NOG ALLIANCE</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>7000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>ARIN 43 FELLOWSHIPS</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>31100</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>ARIN 44 FELLOWSHIPS</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>13050</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>CANWISP SPONSORSHIP</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>2179</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>337051</SubtotalSpentAmt>
      <ContinuationSpentAmt>46329</ContinuationSpentAmt>
      <TotalSpentAmt>383380</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT TO CANTO.</PurposeOfGrantTxt>
        <CashGrantAmt>5700</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT TO CTU.</PurposeOfGrantTxt>
        <CashGrantAmt>55000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT TO ITU</PurposeOfGrantTxt>
        <CashGrantAmt>41215</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT TO STICHTING NLNET</PurposeOfGrantTxt>
        <CashGrantAmt>10000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT TO STICHTING GLOBAL NOG ALLIANCE</PurposeOfGrantTxt>
        <CashGrantAmt>7000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>0</Total501c3OrgCnt>
      <TotalOtherOrgCnt>5</TotalOtherOrgCnt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>ARIN 43 FELLOWSHIPS</TypeOfAssistanceTxt>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <RecipientCnt>43</RecipientCnt>
        <CashGrantAmt>8090</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>ARIN 44 FELLOWSHIPS</TypeOfAssistanceTxt>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN</RegionTxt>
        <RecipientCnt>44</RecipientCnt>
        <CashGrantAmt>15646</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>ARIN 43 FELLOWSHIPS</TypeOfAssistanceTxt>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <RecipientCnt>43</RecipientCnt>
        <CashGrantAmt>31100</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>ARIN 44 FELLOWSHIPS</TypeOfAssistanceTxt>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <RecipientCnt>44</RecipientCnt>
        <CashGrantAmt>13050</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ARIN HAS A FELLOWSHIP PROGRAM THAT PAYS FOR TRAVEL FOR UP TO FIVE INDIVIDUALS FROM EACH OF THE THREE SECTORS WITHIN ARIN'S SERVICE AREA (CANADA, THE CARIBBEAN AND NORTH ATLANTIC ISLANDS AND THE UNITED STATES AND OUTLYING AREAS) TO ATTEND EACH ARIN PUBLIC POLICY AND ARIN MEMBERS MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION USES GAAP TO REPORT EXPENDITURES IN A FOREIGN REGION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>OARC INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1025 ALAMEDA DE LAS PULGAS</AddressLine1Txt>
          <CityNm>BELMONT</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94002</ZIPCd>
        </USAddress>
        <RecipientEIN>262910778</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>7500</CashGrantAmt>
        <PurposeOfGrantTxt>SUPPORT ON 2018 NANOG WEBCASTING PROGRAMS.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>INDUSTRY NETWORK TECHNOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>4001 20TH STREET N</AddressLine1Txt>
          <CityNm>ARLINGTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22207</ZIPCd>
        </USAddress>
        <RecipientEIN>842779740</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <PurposeOfGrantTxt>IPV6 TRAINING FOR ENTERPRISES</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <TotalOtherOrgCnt>1</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ARIN PROVIDES GRANTS EACH YEAR TO OTHER SIMILAR NON-PROFIT ORGANIZATIONS FOR THE PURPOSE OF FUNDING THEIR PROGRAM SERVICE ACTIVITIES. ARIN RECEIVES INVOICES FROM THOSE NON-PROFIT ORGANIZATIONS TO OFFSET THE COST OF THEIR PROGRAM SERVICE ACTIVITIES. ARIN EXAMINES/REVIEWS THE INVOICE TO ENSURE THE PROPER USE OF GRANTS IN THOSE NON-PROFIT ORGANIZATIONS.ADDITIONALLY, BEGINNING IN 2019, ARIN INSTITUTED THE "ARIN COMMUNITY GRANT PROGRAM" THAT PROVIDES FINANCIAL GRANTS IN SUPPORT OF INITIATIVES THAT IMPROVE THE OVERALL INTERNET INDUSTRY AND INTERNET USER ENVIRONMENT. A DESCRIPTION OF THE "ARIN COMMUNITY GRANT PROGRAM", INCLUDING ELIGIBILITY GUIDELINES, ARE PUBLISHED ON THE ARIN PUBLIC WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHN CURRAN</PersonNm>
        <TitleTxt>CEO AND PRESIDENT</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>1806</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>37000</DeferredCompensationFlngOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD JIMMERSON</PersonNm>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARK KOSTERS</PersonNm>
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        <TotalCompensationFilingOrgAmt>344368</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUSAN HAMLIN</PersonNm>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ANDREW NEWTON</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ERIN ALLIGOOD</PersonNm>
        <TitleTxt>DIRECTOR, HR &amp; ADMIN</TitleTxt>
        <BaseCompensationFilingOrgAmt>166250</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>33830</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>346</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>23754</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>34546</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>258726</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LESLIE DANIELLO NOBILE</PersonNm>
        <TitleTxt>SR. DIR OF GLOBAL REGISTRY</TitleTxt>
        <BaseCompensationFilingOrgAmt>173090</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>35580</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>2422</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>25755</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36099</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>272946</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PETER TOSCANO</PersonNm>
        <TitleTxt>NETWORK OPERATIONS MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>179070</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>12900</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>573</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>26016</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26660</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>245219</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JASDIP SINGH</PersonNm>
        <TitleTxt>SENIOR SOFTWARE ENGINEER</TitleTxt>
        <BaseCompensationFilingOrgAmt>163930</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>8270</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>774</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22376</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>32396</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>227746</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MAUREEN SEILER</PersonNm>
        <TitleTxt>SOFTWARE INTEGRATION MANAGER</TitleTxt>
        <BaseCompensationFilingOrgAmt>154141</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>17174</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>323</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22993</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36447</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>231078</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>EDWARD MACDONALD</PersonNm>
        <TitleTxt>SENIOR SOFTWARE ENGINEER</TitleTxt>
        <BaseCompensationFilingOrgAmt>159605</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>8120</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>329</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>22077</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>25898</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>216029</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING EMPLOYEES RECEIVED TAXABLE HEALTH CLUB BENEFITS DURING FY 2019. ALLIGOOD: $450 NEWTON: $569.24 ROWLEY: $150 AS INDICATED IN SCHEDULE J , AS PART OF ARIN'S BENEFITS PROGRAM, ARIN PROVIDES FOR REIMBURSEMENT FOR HEALTH CLUB MEMBERSHIPS FOR ANY INTERESTED EMPLOYEES UP TO $50 PER MONTH.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A GENERAL NOTE OF EXPLANATION FOR SCHEDULE J, PART 2 ON COMPENSATION, ARIN CONTRIBUTES 9% TO THE 401K RETIREMENT PLAN OF ANY EMPLOYEE WHO CONTRIBUTES 6% OF THEIR SALARY. THE MATCH IS 6% FOR THE FIRST 3% EMPLOYEE CONTRIBUTION AND THEN DOLLAR FOR DOLLAR UP TO 6% OF THE EMPLOYEE'S SALARY. IN ADDITION, ARIN CONTRIBUTES TO THE HEALTH INSURANCE COST OF EMPLOYEES. SOME EMPLOYEES HAVE OPTED OUT OF ONE OR BOTH OF THESE BENEFITS WHICH WOULD EXPLAIN ANY VARIATION IN THE AMOUNTS LISTED IN EITHER COLUMN C OR D, WITH THE RESULTING TOTAL SHOWING IN COLUMN E.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>NANOG</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SEE PART V</RelationshipDescriptionTxt>
        <TransactionAmt>50000</TransactionAmt>
        <TransactionDesc>SEE PART V</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>COASTAL TECHNOLOGY ADVISORS</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>SEE PART V</RelationshipDescriptionTxt>
        <TransactionAmt>30000</TransactionAmt>
        <TransactionDesc>SEE PART V</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>(A) NAME OF ORGANIZATION: NANOG(B) RELATIONSHIP BETWEEN INTERESTED PERSON AND ORGANIZATION:TINA MORRIS, ARIN ADVISORY COUNCIL, ALSO SERVES ON THE NANOG BOARD AS VICE CHAIRPATRICK GILMORE, ARIN BOARD OF TRUSTEES, ALSO SERVES AS BOARD MEMBER FOR NANOG(C) AMOUNT OF TRANSACTION: $50,000(D) DESCRIPTION OF TRANSACTION: AMOUNT OF $50,000 TO SUPPORT THE REMOTE PARTICIPATION FACILITIES OF NANOG MEETINGS(A) NAME OF PERSON: COASTAL TECHNOLOGY ADVISORS(B) RELATIONSHIP BETWEEN INTERESTED PERSON AND ORGANIZATION:NATE DAVIS, FMR COO, OWNS COASTAL TECHNOLOGY ADVISORS(C) AMOUNT OF TRANSACTION: $30,000(D) DESCRIPTION OF TRANSACTION: ARIN PAID COASTAL TECHNOLOGY ADVISORS A CONSULTING FEE OF $30,000 IN 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV</FormAndLineReferenceDesc>
        <ExplanationTxt>PLEASE NOTE THAT SCHEDULE L , THE DISCLOSURE OF "BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS", RELATES TO ANY TRANSACTION "THAT EXCEEDED THE GREATER OF $10,000 OR 1 PERCENT OF TOTAL REVENUES". FOR AVOIDANCE OF DOUBT, ARIN HAS OPTED TO DISCLOSE ALL BUSINESS TRANSACTIONS OUTSIDE OF NORMAL BUSINESS (E.G. MEMBERSHIP AND/OR REGISTRATION SERVICES FEES) REGARDLESS OF DOLLAR AMOUNT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART I, QUESTION 6:</FormAndLineReferenceDesc>
        <ExplanationTxt>ARIN ESTIMATES THAT IT HAS AT LEAST 36 VOLUNTEERS WHO DONATE A SUBSTANTIAL PORTION OF THEIR VALUABLE TIME TO ITS MISSION. THIS INCLUDES ADVISORY COUNCIL MEMBERS, BOARD MEMBERS, AND MEMBERS OF THE COMMUNITY WHO VOLUNTEER THEIR TIME WITH COMMITTEE WORK. PLEASE NOTE, THAT ARIN ALSO MAINTAINS A PUBLIC POLICY MAILING LIST THAT IS QUITE ACTIVE, WITH MANY DIFFERENT MESSAGES SENT FROM MEMBERS OF THE COMMUNITY AND THE GENERAL PUBLIC. THERE ARE ALSO SEVERAL OTHER MAILING LISTS AS WELL AS A SUGGESTION PROCESS ONLINE FOR PEOPLE OR ORGANIZATIONS TO MAKE SUGGESTIONS FOR IMPROVEMENTS. ADDITIONALLY, ARIN PUBLIC POLICY MEETINGS HAVE AN AVERAGE ATTENDANCE OF 150, AND THERE ARE TWO A YEAR. THUS, THE ANSWER TO THIS QUESTION COULD CONCEIVABLY BE IN THE HUNDREDS, DEPENDING UPON LEVEL OF EFFORT TO BE CONSIDERED A VOLUNTEER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP IS AUTOMATICALLY CONVEYED TO ISPS WHO RECEIVE IP RESOURCES FROM ARIN. MEMBERSHIP IS ALSO OPEN TO ANY ENTITY THAT HAS A SIGNED REGISTRATION SERVICES AGREEMENT (RSA) OR LEGACY RSA WITH ARIN AND HOLDS AN INTERNET NUMBER RESOURCE IN THE ARIN REGION AND WISHES TO PARTICIPATE IN FORMING SOLUTIONS TO INTERNET NUMBER RESOURCE-RELATED ISSUES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBER IN GOOD STANDING HAS THE RIGHT TO PARTICIPATE IN AN ELECTION FOR ONE OR MORE MEMBERS OF THE BOARD OF TRUSTEES AND OF THE ADVISORY COUNCIL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEE REMOVAL PROCESS BY THE BOARD OF TRUSTEES IS SUBJECT TO MEMBERSHIP RATIFICATION. IN ADDITION, THE PROCESSES FOR CERTAIN BYLAWS CHANGES AND ARTICLES OF INCORPORATION CHANGES ARE SENT TO COMMUNITY CONSULTATION BEFORE FINAL ADOPTION BY THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>ARIN HAD NO COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCE COMMITTEE ASSISTS IN PREPARATION OF THE 990 FILING, THEN PRESENTS IT TO THE FULL BOARD FOR THE FINAL REVIEW, BEFORE FILING TO THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REGULARLY AND CONSISTENTLY MONITORS AND ENFORCES COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY INCLUDING IN THE FOLLOWING WAYS: 1) THE BOARD OF TRUSTEES CONDUCTS AN ANNUAL REVIEW WHEREIN EACH TRUSTEE COMPLETES A CONFIDENTIAL CONFLICT OF INTEREST AND DISCLOSURE FORM OF INTERESTS THAT COULD GIVE RISE TO CONFLICTS AND THAT FORM IS THEN REVIEWED BY ALL THE OTHER TRUSTEES. THIS IS CONDUCTED IN JANUARY OF EACH YEAR AT THE BOARD'S FIRST MEETING OF THE YEAR. 2) AT THE FIRST MEETING OF THE BOARD IN EACH CALENDAR YEAR, THE ORGANIZATION'S GENERAL COUNSEL PROVIDES AN ANNUAL REMINDER AND TRAINING SESSION TO THE BOARD OF TRUSTEES REGARDING THE TOPIC OF CONFLICT OF INTEREST AND THE BOARD MEMBERS' DUTY TO DISCLOSE AND AVOID CONFLICTS OF INTEREST. 3) THE ORGANIZATION MAINTAINS A CONFLICT OF INTEREST POLICY IN ITS EMPLOYEE HANDBOOK AND ALL STAFF, INCLUDING KEY EMPLOYEES AND OFFICERS, ARE REQUIRED TO ANNUALLY EXECUTE AN ACKNOWLEDGEMENT OF AND AGREEMENT TO ADHERE TO ALL POLICIES IN THE EMPLOYEE HANDBOOK. 4) THROUGHOUT THE YEAR, BOARD MEMBERS AS WELL AS KEY EMPLOYEES AND OFFICERS ARE AFFORDED THE OPPORTUNITY TO DISCLOSE ANY CONFLICTS THAT MAY ARISE DURING THE YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION COMMITTEE OF THE ARIN BOARD OF TRUSTEES SETS THE COMPENSATION FOR THE CEO. SEVERAL FACTORS ARE CONSIDERED IN SETTING THE COMPENSATION RATE. THE JOB DESCRIPTION FOR THE CEO FULLY DETAILS THE EXPECTATIONS FOR PERFORMANCE. THE ANNUAL BONUS FOR THE CEO IS BASED ON JOB PERFORMANCE, THERE IS NO AUTOMATIC BONUS PAYMENT GIVEN. ARIN CONDUCTS A FULL MARKET PRICING SALARY SURVEY EVERY 2-3 YEARS, COMPARING ALL COMPANY POSITIONS TO COMPARABLE BUSINESS IN THE AREA. CEO SALARY LEVELS ARE ALSO CULLED FROM THIS DATA. THE PERFORMANCE AND EXPERIENCE LEVEL OF THE CURRENT CEO ARE ALSO CONSIDERED WHEN SETTING THE ANNUAL BONUS AND PAY RAISE AMOUNT. THE MEMBERS OF THE COMPENSATION COMMITTEE CONVENE PERIODICALLY THROUGHOUT THE YEAR TO ASSESS THE PERFORMANCE OF THE CEO. ANNUALLY, THEY FORMALLY MEET, ANALYZE THE INFORMATION THEY HAVE GATHERED, AND DECIDE THE ANNUAL BONUS AMOUNT. ARIN CONSIDERS THE SALARY SURVEY INFORMATION, PAYS RAISE PERCENTAGE FROM OUR GEOGRAPHIC REGION, AND OTHER INFORMATION GLEANED FROM BUSINESS PUBLICATIONS THAT PERTAIN TO EXECUTIVE PAY. EVERY 2-3 YEARS, ARIN CONDUCTS A COMPANY WIDE SALARY SURVEY/MARKET PRICING OF ALL COMPANY POSITIONS. UPDATED JOB DESCRIPTIONS AND JOB TITLES ARE PROVIDED TO A COMPANY THAT WORKS WITH CURRENT DETAILED DATA FROM MAJOR COMPENSATION SURVEYS. WE COMPARE ARIN SALARIES TO THE LOCAL AREA, THE NORTHEAST CORRIDOR, NATIONWIDE TECHNOLOGY COMPANIES, NATIONWIDE TRADE AND MEMBERSHIP ASSOCIATION, LOCAL TRADE AND MEMBERSHIP ASSOCIATIONS, NATIONAL NONPROFIT COMPANIES AND LOCAL NONPROFIT COMPANIES. SOME OF THE SURVEYS WE USE INCLUDE: MERCER, PRM, ASAE, ASSOCIATION TRENDS, HUMAN RESOURCES ASSOCIATION, AND SALARY.COM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S ORGANIZING DOCUMENTS, FINANCIAL STATEMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE AND CAN BE FOUND ON THE ORGANIZATION'S WEBSITE FOR THE SAME PERIOD OF DISCLOSURE AS SET FORTH IN SECTION 6104(D).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CUMMULATIVE EFFECT OF ADOPTION OF ASC 606 -1,719,348.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR OVERSEEING THE AUDIT OF THE FINANCIAL STATEMENTS AND SELECTION OF AN INDEPENDENT ACCOUNTANT THAT AUDITED THE FINANCIAL STATEMENTS HAS BEEN CONSISTENT WITH PRIOR YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>