content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001605809</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001596532</issuerCik>
        <issuerName>Arista Networks, Inc.</issuerName>
        <secFileNumber>001-36468</secFileNumber>
        <issuerAddress>
          <com:street1>5453 Great America Parkway</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>4085475000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Jayshree Ullal</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer and Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>360 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>669403</noOfUnitsSold>
        <aggregateMarketValue>65152993</aggregateMarketValue>
        <noOfUnitsOutstanding>1255921431</noOfUnitsOutstanding>
        <approxSaleDate>06/26/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>01/01/2013</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>669403</amountOfSecuritiesAcquired>
        <paymentDate>01/01/2013</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>The shares filed today will be sold by  2000 Ullal Family Trust- Jayshree Ullal  as Trustee  The securities to be sold were acquired  from stock option exercises  by Jayshree Ullal  and transferred to the Trust on various dates between 1/1/2013  and  12/31/2013.</remarks>
      <noticeSignature>
        <noticeDate>06/26/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>12/13/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact forJayshree Ullal</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3227}]
text: 144
  0001605809
  XXXXXXXX
  LIVE
  0001596532
  Arista Networks, Inc.
  001-36468
  5453 Great America Parkway
  Santa Clara
  CA
  95054
  4085475000
  Jayshree Ullal
  Officer and Director
  Common
  J.P. Morgan Securities LLC
  360 Madison Avenue - 6th Floor
  New York
  NY
  10017
  669403
  65152993
  1255921431
  06/26/2025
  NYSE
  Common
  01/01/2013
  Stock Option Exercise
  Issuer
  N
  669403
  01/01/2013
  NA
  Y
  The shares filed today will be sold by  2000 Ullal Family Trust- Jayshree Ullal  as Trustee  The securities to be sold were acquired  from stock option exercises  by Jayshree Ullal  and transferred to the Trust on various dates between 1/1/2013  and  12/31/2013.
  06/26/2025
  12/13/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact forJayshree Ullal