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 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.

13821 ACML - AllianceBernstein L.P., US

  Adjacency:     9  Upstream:     9  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS4826          VOCUS-BACKBONE-AS - Vocus Connect International Backbone, AU
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS8220          COLT - COLT Technology Services Group Limited, GB
    AS36086         TELX-LEGACY - Telx, US
    AS15830         Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS62833         HUDSONFIBERNET - Hudson Fiber Network, Inc, US
    AS4637          ASN-TELSTRA-GLOBAL - Telstra Global, HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15686 AS13821        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  ACML - AllianceBernstein L.P., 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       %
15579 AS13821       ACML - AllianceBernstein L.P., US                 17      4      2     15      2  11.76%


  Prefix               AS Path                              Aggregation Suggestion
  103.216.134.0/24     4608 4826 13821        
  165.101.85.0/24      4777 2516 15830 13821   
  206.218.206.0/23     4777 2497 174 13821  + Announce - aggregate of 206.218.206.0/24 (4777 2497 174 13821) and 206.218.207.0/24 (4777 2497 174 13821)
  206.218.206.0/24     4777 2497 174 13821  - Withdrawn - aggregated with 206.218.207.0/24 (4777 2497 174 13821)
  206.218.207.0/24     4777 2497 174 13821  - Withdrawn - aggregated with 206.218.206.0/24 (4777 2497 174 13821)
  206.218.209.0/24     4777 2497 174 13821    
  206.218.213.0/24     4777 2497 6461 13821   
  206.218.214.0/24     4777 2516 3356 62833 13821   
  206.218.215.0/24     4777 2497 6461 13821   
  206.218.223.0/24     4777 2497 6461 13821   
  206.218.229.0/24     4777 2497 6461 13821   
  206.218.232.0/24     4777 2516 3356 13821   
  206.218.234.0/24     4777 2497 6461 13821   
  206.218.235.0/24     4777 2497 8220 13821   
  206.218.240.0/24     4608 4826 13821        
  206.218.246.0/23     4777 2516 1299 36086 13821 13821 13821 13821 13821 13821   
  206.218.248.0/23     4608 1221 4637 13821 + Announce - aggregate of 206.218.248.0/24 (4608 1221 4637 13821) and 206.218.249.0/24 (4608 1221 4637 13821)
  206.218.248.0/24     4608 1221 4637 13821 - Withdrawn - aggregated with 206.218.249.0/24 (4608 1221 4637 13821)
  206.218.249.0/24     4608 1221 4637 13821 - Withdrawn - aggregated with 206.218.248.0/24 (4608 1221 4637 13821)

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

AS13821   15 More Specifics   17 Total Advertisements   ACML - AllianceBernstein L.P., 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
    206.218.213.0/24              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
    206.218.223.0/24              206.218.192.0/18
    206.218.229.0/24              206.218.192.0/18
    206.218.232.0/24              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
    206.218.248.0/24              206.218.192.0/18
    206.218.249.0/24              206.218.192.0/18

Whois Entry

whois: 402591

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.
             #