Report for 29990

Name

ASN-APPNEXUS - Xandr 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.

29990 ASN-APPNEXUS - Xandr Inc., US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS1299          TWELVE99 - Arelion Sweden AB, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS4637          ASN-TELSTRA-GLOBAL - Telstra Global, HK
    AS2914          NTT-DATA-2914 - NTT America, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4910  AS29990        ORIGIN  Originate:      37888 /16.79  Transit:          0 /0.00  ASN-APPNEXUS - Xandr 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       %
 2653 AS29990       ASN-APPNEXUS - Xandr Inc., US                     40     24      3     19     21  52.50%


  Prefix               AS Path                              Aggregation Suggestion
  37.252.160.0/20      4608 7575 2914 29990 + Announce - aggregate of 37.252.160.0/21 (4608 7575 2914 29990) and 37.252.168.0/21 (4608 7575 2914 29990)
  37.252.160.0/23      4608 7575 2914 29990 - Withdrawn - aggregated with 37.252.162.0/23 (4608 7575 2914 29990)
  37.252.162.0/23      4608 7575 2914 29990 - Withdrawn - aggregated with 37.252.160.0/23 (4608 7575 2914 29990)
  37.252.164.0/22      4608 7575 2914 29990 - Withdrawn - aggregated with 37.252.160.0/22 (4608 7575 2914 29990)
  37.252.168.0/21      4608 7575 2914 29990 - Withdrawn - aggregated with 37.252.160.0/21 (4608 7575 2914 29990)
  43.250.0.0/22        4608 1221 4637 29990   
  64.208.136.0/22      4608 7575 2914 29990   
  64.208.141.0/24      4608 1221 4637 29990   
  64.210.56.0/21       4608 7575 2914 29990   
  68.67.128.0/18       4608 7575 2914 29990 + Announce - aggregate of 68.67.128.0/19 (4608 7575 2914 29990) and 68.67.160.0/19 (4608 7575 2914 29990)
  68.67.128.0/20       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.144.0/20 (4608 7575 2914 29990)
  68.67.128.0/24       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.128.0/20 4608 7575 2914 29990
  68.67.129.0/24       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.128.0/20 4608 7575 2914 29990
  68.67.144.0/21       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.152.0/21 (4608 7575 2914 29990)
  68.67.152.0/21       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.144.0/21 (4608 7575 2914 29990)
  68.67.160.0/21       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.168.0/21 (4608 7575 2914 29990)
  68.67.160.0/23       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.160.0/21 4608 7575 2914 29990
  68.67.168.0/22       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.172.0/22 (4608 7575 2914 29990)
  68.67.172.0/24       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.173.0/24 (4608 7575 2914 29990)
  68.67.173.0/24       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.172.0/24 (4608 7575 2914 29990)
  68.67.174.0/24       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.175.0/24 (4608 7575 2914 29990)
  68.67.175.0/24       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.174.0/24 (4608 7575 2914 29990)
  68.67.176.0/20       4608 7575 2914 29990 - Withdrawn - aggregated with 68.67.160.0/20 (4608 7575 2914 29990)
  68.67.176.0/21       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.176.0/20 4608 7575 2914 29990
  68.67.176.0/23       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.176.0/20 4608 7575 2914 29990
  68.67.186.0/24       4608 7575 2914 29990 - Withdrawn - matching aggregate 68.67.176.0/20 4608 7575 2914 29990
  103.43.88.0/22       4608 1221 4637 29990 + Announce - aggregate of 103.43.88.0/23 (4608 1221 4637 29990) and 103.43.90.0/23 (4608 1221 4637 29990)
  103.43.88.0/24       4608 1221 4637 29990 - Withdrawn - aggregated with 103.43.89.0/24 (4608 1221 4637 29990)
  103.43.89.0/24       4608 1221 4637 29990 - Withdrawn - aggregated with 103.43.88.0/24 (4608 1221 4637 29990)
  103.43.90.0/23       4608 1221 4637 29990 - Withdrawn - aggregated with 103.43.88.0/23 (4608 1221 4637 29990)
  103.243.220.0/23     4608 1221 4637 29990   
  103.243.223.0/24     4608 1221 4637 29990   
  104.254.148.0/22     4608 7575 2914 29990   
  172.83.92.0/24       4777 2516 4637 29990   
  185.33.220.0/22      4608 7575 2914 29990   
  185.83.140.0/24      4608 7575 2914 29990   
  185.83.142.0/23      4608 7575 2914 29990   
  185.89.208.0/22      4608 7575 2914 29990   
  192.190.7.0/24       4608 1221 4637 29990   
  204.13.192.0/21      4608 7575 2914 29990   
  204.13.193.0/24      4608 7575 2914 29990 - Withdrawn - matching aggregate 204.13.192.0/21 4608 7575 2914 29990
  216.252.164.0/23     4608 7575 2914 29990   
  216.252.166.0/24     4608 7575 2914 29990   

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

AS29990   33 More Specifics   40 Total Advertisements   ASN-APPNEXUS - Xandr Inc., US
    37.252.160.0/23               37.252.160.0/20
    37.252.162.0/23               37.252.160.0/20
    37.252.164.0/22               37.252.160.0/20
    37.252.168.0/21               37.252.160.0/20
    64.208.136.0/22               64.208.128.0/19
    64.208.141.0/24               64.208.128.0/19
    64.210.56.0/21                64.210.0.0/18
    68.67.128.0/20                68.67.128.0/18
    68.67.128.0/24                68.67.128.0/18
    68.67.129.0/24                68.67.128.0/18
    68.67.144.0/21                68.67.128.0/18
    68.67.152.0/21                68.67.128.0/18
    68.67.160.0/21                68.67.128.0/18
    68.67.160.0/23                68.67.128.0/18
    68.67.168.0/22                68.67.128.0/18
    68.67.172.0/24                68.67.128.0/18
    68.67.173.0/24                68.67.128.0/18
    68.67.174.0/24                68.67.128.0/18
    68.67.175.0/24                68.67.128.0/18
    68.67.176.0/20                68.67.128.0/18
    68.67.176.0/21                68.67.128.0/18
    68.67.176.0/23                68.67.128.0/18
    68.67.186.0/24                68.67.128.0/18
    103.43.88.0/24                103.43.88.0/22
    103.43.89.0/24                103.43.88.0/22
    103.43.90.0/23                103.43.88.0/22
    103.243.220.0/23              103.243.220.0/22
    103.243.223.0/24              103.243.220.0/22
    185.83.140.0/24               185.83.140.0/22
    185.83.142.0/23               185.83.140.0/22
    204.13.193.0/24               204.13.192.0/21
    216.252.164.0/23              216.252.164.0/22
    216.252.166.0/24              216.252.164.0/22

Whois Entry

whois: 402603

IANA has recorded AS29990 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS29990\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:       29990
             ASName:         ASN-APPNEXUS
             ASHandle:       AS29990
             RegDate:        2008-01-10
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/29990
             
             
             OrgName:        Xandr Inc.
             OrgId:          APPNE
             Address:        28 23rd Street
             Address:        Fifth Floor
             City:           New York
             StateProv:      NY
             PostalCode:     10010
             Country:        US
             RegDate:        2008-01-07
             Updated:        2024-11-04
             Ref:            https://rdap.arin.net/registry/entity/APPNE
             
             ReferralServer:  rwhois://rwhois.appnexus.net:4321
             
             OrgTechHandle: APPNE-ARIN
             OrgTechName:   appnexus-ipadmin
             OrgTechPhone:  +1-646-723-7844 
             OrgTechEmail:  xdr-ipadmin@microsoft.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/APPNE-ARIN
             
             OrgAbuseHandle: APPNE1-ARIN
             OrgAbuseName:   appnexus-abuse
             OrgAbusePhone:  +1-646-723-7844 
             OrgAbuseEmail:  xdr-abuse@microsoft.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/APPNE1-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.
             #
             
             
             
             Found a referral to rwhois.appnexus.net:4321.