Report for 13821

Name

ACML - AllianceBernstein L.P., 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 AS6447) 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.

13821 ACML, US

  Adjacency:    12  Upstream:    12  Downstream:     0
  Upstream Adjacent AS list
    AS13237         LAMBDANET-AS European Backbone of AS13237, DE
    AS15830         EQUINIX, NL
    AS8220          COLT COLT Technology Services Group Limited, GB
    AS36086         TELX-LEGACY, US
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS4826          VOCUS-BACKBONE-AS Vocus Connect International Backbone, AU
    AS7474          OPTUSCOM-AS01-AU SingTel Optus Pty Ltd, AU
    AS174           COGENT-174, US
    AS2914          NTT-LTD-2914, US
    AS3356          LEVEL3, US
    AS62833         HUDSONFIBERNET, US
    AS6461          ZAYO-6461, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15860 AS13821        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  ACML, 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       %
15873 AS13821       ACML, US                                          17      4      2     15      2  11.76%


  Prefix               AS Path                              Aggregation Suggestion
  103.216.134.0/24     2497 4826 13821        
  165.101.85.0/24      2914 13821             
  206.218.206.0/23     2914 174 13821       + Announce - aggregate of 206.218.206.0/24 (2914 174 13821) and 206.218.207.0/24 (2914 174 13821)
  206.218.206.0/24     2914 174 13821       - Withdrawn - aggregated with 206.218.207.0/24 (2914 174 13821)
  206.218.207.0/24     2914 174 13821       - Withdrawn - aggregated with 206.218.206.0/24 (2914 174 13821)
  206.218.209.0/24     2914 174 13821         
  206.218.213.0/24     6939 6461 13821        
  206.218.214.0/24     6939 3356 62833 13821   
  206.218.215.0/24     6939 6461 13821        
  206.218.223.0/24     6939 6461 13821        
  206.218.229.0/24     6939 6461 13821        
  206.218.232.0/24     3257 3356 13821        
  206.218.234.0/24     2497 6461 13821        
  206.218.235.0/24     2497 8220 13821        
  206.218.240.0/24     2497 4826 13821        
  206.218.246.0/23     6939 36086 13821 13821 13821 13821 13821 13821   
  206.218.248.0/23     3257 4637 13821      + Announce - aggregate of 206.218.248.0/24 (3257 4637 13821) and 206.218.249.0/24 (3257 4637 13821)
  206.218.248.0/24     3257 4637 13821      - Withdrawn - aggregated with 206.218.249.0/24 (3257 4637 13821)
  206.218.249.0/24     3257 4637 13821      - Withdrawn - aggregated with 206.218.248.0/24 (3257 4637 13821)

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

AS13821   13 More Specifics   13 Total Advertisements   ACML, US
    206.218.206.0/24              206.218.192.0/18
    206.218.207.0/24              206.218.192.0/18
    206.218.209.0/24              206.218.192.0/18
    206.218.214.0/24              206.218.192.0/18
    206.218.215.0/24              206.218.192.0/18
    206.218.216.0/24              206.218.192.0/18
    206.218.217.0/24              206.218.192.0/18
    206.218.223.0/24              206.218.192.0/18
    206.218.229.0/24              206.218.192.0/18
    206.218.234.0/24              206.218.192.0/18
    206.218.235.0/24              206.218.192.0/18
    206.218.240.0/24              206.218.192.0/18
    206.218.246.0/23              206.218.192.0/18
    104.218.136.0/24              104.218.136.0/21
    206.218.213.0/24              206.218.192.0/18

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 206.218.216.0/24            Announced
    + 206.218.217.0/24            Announced
    - 103.216.134.0/24            Withdrawn
    - 104.218.136.0/24            Withdrawn
    - 206.218.213.0/24            Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS13821 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS13821\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:       13821
             ASName:         ACML
             ASHandle:       AS13821
             RegDate:        1999-08-23
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/13821
             
             
             OrgName:        AllianceBernstein L.P.
             OrgId:          ALLIA-75
             Address:        501 Commerce St.
             City:           Nashville
             StateProv:      TN
             PostalCode:     37203
             Country:        US
             RegDate:        2008-01-28
             Updated:        2024-04-15
             Ref:            https://rdap.arin.net/registry/entity/ALLIA-75
             
             
             OrgAbuseHandle: NETWO8434-ARIN
             OrgAbuseName:   Network Engineering
             OrgAbusePhone:  +1-212-823-7070 
             OrgAbuseEmail:  GETS-CommunicationsEngineering@alliancebernstein.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8434-ARIN
             
             OrgTechHandle: NETWO8434-ARIN
             OrgTechName:   Network Engineering
             OrgTechPhone:  +1-212-823-7070 
             OrgTechEmail:  GETS-CommunicationsEngineering@alliancebernstein.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8434-ARIN
             
             OrgNOCHandle: NETWO8434-ARIN
             OrgNOCName:   Network Engineering
             OrgNOCPhone:  +1-212-823-7070 
             OrgNOCEmail:  GETS-CommunicationsEngineering@alliancebernstein.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8434-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.
             #