Report for 53766

Name

VMWARE-SASE - Arista Networks, Inc., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

53766 VMWARE-SASE - Arista Networks, Inc., US

  Adjacency:    14  Upstream:    14  Downstream:     0
  Upstream Adjacent AS list
    AS12956         IDDQD-AS - IDDQD-AS, ES
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS4826          VOCUS-BACKBONE-AS - Vocus Connect International Backbone, AU
    AS7575          AARNET-AS-AP - Australian Academic and Research Network (AARNet), AU
    AS6453          AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US
    AS1299          TWELVE99 - Arelion Sweden AB, SE
    AS260           GTT-DXB - GTT Americas, LLC, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3257          GTT-BACKBONE - GTT Communications Inc., US
    AS3491          PCCWG-APAC-HK - PCCW Global (HK) Ltd., HK
    AS4637          ASN-TELSTRA-GLOBAL - Telstra Global, HK
    AS55064         ARISTAASN1 - Arista Networks, Inc., US
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
    AS4777          APNIC-COLO - Asia Pacific Network Information Centre, JP

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8079  AS53766        ORIGIN  Originate:      15616 /18.07  Transit:          0 /0.00  VMWARE-SASE - Arista Networks, Inc., US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 5988 AS53766       VMWARE-SASE - Arista Networks, Inc., US           39     12      4     31      8  20.51%


  Prefix               AS Path                              Aggregation Suggestion
  64.186.24.0/23       4777 2516 3257 53766   
  64.186.26.0/23       4608 7575 53766        
  64.186.28.0/23       4777 2497 6453 53766   
  103.48.252.0/23      4777 53766             
  136.144.98.0/23      4777 2516 3257 53766   
  136.144.100.0/22     4777 2516 3257 53766 + Announce - aggregate of 136.144.100.0/23 (4777 2516 3257 53766) and 136.144.102.0/23 (4777 2516 3257 53766)
  136.144.100.0/23     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.102.0/23 (4777 2516 3257 53766)
  136.144.102.0/23     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.100.0/23 (4777 2516 3257 53766)
  136.144.106.0/23     4777 2516 3257 53766   
  136.144.108.0/22     4777 2516 3257 53766 + Announce - aggregate of 136.144.108.0/23 (4777 2516 3257 53766) and 136.144.110.0/23 (4777 2516 3257 53766)
  136.144.108.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.109.0/24 (4777 2516 3257 53766)
  136.144.109.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.108.0/24 (4777 2516 3257 53766)
  136.144.110.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.111.0/24 (4777 2516 3257 53766)
  136.144.111.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.110.0/24 (4777 2516 3257 53766)
  136.144.113.0/24     4777 2516 3257 53766   
  136.144.114.0/23     4777 2516 3257 53766 + Announce - aggregate of 136.144.114.0/24 (4777 2516 3257 53766) and 136.144.115.0/24 (4777 2516 3257 53766)
  136.144.114.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.115.0/24 (4777 2516 3257 53766)
  136.144.115.0/24     4777 2516 3257 53766 - Withdrawn - aggregated with 136.144.114.0/24 (4777 2516 3257 53766)
  136.144.116.0/24     4777 53766             
  136.144.118.0/24     4777 2516 3257 53766   
  136.144.119.0/24     4777 2516 174 53766    
  136.144.120.0/24     4608 7575 53766        
  136.144.121.0/24     4777 2516 3257 53766   
  136.144.122.0/24     4608 7575 53766        
  136.144.124.0/24     4777 2516 3257 53766   
  136.144.125.0/24     4777 2497 6453 53766   
  136.144.127.0/24     4608 7575 3491 53766   
  152.65.192.0/23      4608 4826 53766        
  152.65.196.0/23      4777 2497 174 53766    
  152.65.198.0/23      4777 2516 1299 53766   
  152.65.200.0/23      4608 7575 15412 260 53766   
  152.65.206.0/24      4777 2516 3257 53766   
  159.100.166.0/23     4777 2516 7922 33651 55064 55064 55064 55064 53766   
  159.100.170.0/23     4777 2516 3257 53766   
  159.100.172.0/23     4777 2516 174 53766    
  159.100.174.0/23     4608 7575 53766        
  199.247.162.0/23     4777 2516 3257 53766   
  207.66.112.0/23      4608 7575 3491 53766   
  216.221.24.0/21      4777 2516 3257 53766 + Announce - aggregate of 216.221.24.0/22 (4777 2516 3257 53766) and 216.221.28.0/22 (4777 2516 3257 53766)
  216.221.24.0/23      4777 2516 3257 53766 - Withdrawn - aggregated with 216.221.26.0/23 (4777 2516 3257 53766)
  216.221.26.0/23      4777 2516 3257 53766 - Withdrawn - aggregated with 216.221.24.0/23 (4777 2516 3257 53766)
  216.221.28.0/23      4777 2516 3257 53766 - Withdrawn - aggregated with 216.221.30.0/23 (4777 2516 3257 53766)
  216.221.30.0/23      4777 2516 3257 53766 - Withdrawn - aggregated with 216.221.28.0/23 (4777 2516 3257 53766)

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS53766   39 More Specifics   39 Total Advertisements   VMWARE-SASE - Arista Networks, Inc., US
    64.186.24.0/23                64.186.24.0/21
    64.186.26.0/23                64.186.24.0/21
    64.186.28.0/23                64.186.24.0/21
    103.48.252.0/23               103.48.252.0/22
    136.144.98.0/23               136.144.96.0/19
    136.144.100.0/23              136.144.96.0/19
    136.144.102.0/23              136.144.96.0/19
    136.144.106.0/23              136.144.96.0/19
    136.144.108.0/24              136.144.96.0/19
    136.144.109.0/24              136.144.96.0/19
    136.144.110.0/24              136.144.96.0/19
    136.144.111.0/24              136.144.96.0/19
    136.144.113.0/24              136.144.96.0/19
    136.144.114.0/24              136.144.96.0/19
    136.144.115.0/24              136.144.96.0/19
    136.144.116.0/24              136.144.96.0/19
    136.144.118.0/24              136.144.96.0/19
    136.144.119.0/24              136.144.96.0/19
    136.144.120.0/24              136.144.96.0/19
    136.144.121.0/24              136.144.96.0/19
    136.144.122.0/24              136.144.96.0/19
    136.144.124.0/24              136.144.96.0/19
    136.144.125.0/24              136.144.96.0/19
    136.144.127.0/24              136.144.96.0/19
    152.65.192.0/23               152.65.192.0/18
    152.65.196.0/23               152.65.192.0/18
    152.65.198.0/23               152.65.192.0/18
    152.65.200.0/23               152.65.192.0/18
    152.65.206.0/24               152.65.192.0/18
    159.100.166.0/23              159.100.160.0/20
    159.100.170.0/23              159.100.160.0/20
    159.100.172.0/23              159.100.160.0/20
    159.100.174.0/23              159.100.160.0/20
    199.247.162.0/23              199.247.160.0/20
    207.66.112.0/23               207.66.112.0/21
    216.221.24.0/23               216.221.16.0/20
    216.221.26.0/23               216.221.16.0/20
    216.221.28.0/23               216.221.16.0/20
    216.221.30.0/23               216.221.16.0/20

Whois Entry

whois: 402609

IANA has recorded AS53766 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53766\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       53766
             ASName:         VMWARE-SASE
             ASHandle:       AS53766
             RegDate:        2014-06-12
             Updated:        2026-01-14
             Ref:            https://rdap.arin.net/registry/autnum/53766
             
             
             OrgName:        Arista Networks, Inc.
             OrgId:          AN-92
             Address:        5453 Great America Parkway
             City:           Santa Clara
             StateProv:      CA
             PostalCode:     95054
             Country:        US
             RegDate:        2013-01-09
             Updated:        2026-05-21
             Ref:            https://rdap.arin.net/registry/entity/AN-92
             
             
             OrgTechHandle: DOMMA10-ARIN
             OrgTechName:   Dommathamari, Harish 
             OrgTechPhone:  +1-408-547-8113 
             OrgTechEmail:  harishdv@arista.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DOMMA10-ARIN
             
             OrgNOCHandle: DOMMA10-ARIN
             OrgNOCName:   Dommathamari, Harish 
             OrgNOCPhone:  +1-408-547-8113 
             OrgNOCEmail:  harishdv@arista.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DOMMA10-ARIN
             
             OrgAbuseHandle: REDDY114-ARIN
             OrgAbuseName:   Reddy, Mohan 
             OrgAbusePhone:  +1-616-856-5554 
             OrgAbuseEmail:  mreddy@arista.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/REDDY114-ARIN
             
             OrgDNSHandle: REDDY114-ARIN
             OrgDNSName:   Reddy, Mohan 
             OrgDNSPhone:  +1-616-856-5554 
             OrgDNSEmail:  mreddy@arista.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/REDDY114-ARIN
             
             OrgRoutingHandle: RANDH20-ARIN
             OrgRoutingName:   Randhawa, Aman 
             OrgRoutingPhone:  +1-408-547-5706 
             OrgRoutingEmail:  arandhawa@arista.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/RANDH20-ARIN
             
             OrgRoutingHandle: REDDY114-ARIN
             OrgRoutingName:   Reddy, Mohan 
             OrgRoutingPhone:  +1-616-856-5554 
             OrgRoutingEmail:  mreddy@arista.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/REDDY114-ARIN
             
             OrgRoutingHandle: SANTO335-ARIN
             OrgRoutingName:   Santos, Diego 
             OrgRoutingPhone:  +353871199964 
             OrgRoutingEmail:  dsantos@arista.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/SANTO335-ARIN
             
             OrgTechHandle: REDDY114-ARIN
             OrgTechName:   Reddy, Mohan 
             OrgTechPhone:  +1-616-856-5554 
             OrgTechEmail:  mreddy@arista.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/REDDY114-ARIN
             
             OrgAbuseHandle: ITSEC41-ARIN
             OrgAbuseName:   IT-Security
             OrgAbusePhone:  +1-408-547-5500 
             OrgAbuseEmail:  it-ediscovery@arista.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITSEC41-ARIN
             
             OrgNOCHandle: RANDH20-ARIN
             OrgNOCName:   Randhawa, Aman 
             OrgNOCPhone:  +1-408-547-5706 
             OrgNOCEmail:  arandhawa@arista.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/RANDH20-ARIN
             
             OrgNOCHandle: REDDY114-ARIN
             OrgNOCName:   Reddy, Mohan 
             OrgNOCPhone:  +1-616-856-5554 
             OrgNOCEmail:  mreddy@arista.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/REDDY114-ARIN
             
             OrgTechHandle: RANDH20-ARIN
             OrgTechName:   Randhawa, Aman 
             OrgTechPhone:  +1-408-547-5706 
             OrgTechEmail:  arandhawa@arista.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/RANDH20-ARIN
             
             OrgAbuseHandle: DOMMA10-ARIN
             OrgAbuseName:   Dommathamari, Harish 
             OrgAbusePhone:  +1-408-547-8113 
             OrgAbuseEmail:  harishdv@arista.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DOMMA10-ARIN
             
             OrgTechHandle: SANTO335-ARIN
             OrgTechName:   Santos, Diego 
             OrgTechPhone:  +353871199964 
             OrgTechEmail:  dsantos@arista.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SANTO335-ARIN
             
             RAbuseHandle: VELOC7-ARIN
             RAbuseName:   Velocloud abuse-email
             RAbusePhone:  +1-408-547-5500 
             RAbuseEmail:  velo-abuse@arista.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/VELOC7-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #