Report for 12000

Name

FMR-AS4 - FMR LLC, 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 AS4637) 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.

12000 FMR-AS4 - Fidelity Investments

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS1239    SPRINTLINK - Sprint
    AS7018    ATT-INTERNET4 - AT&T WorldNet Services

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13919 AS12000  ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  FMR-AS4 - Fidelity Investments

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       %
 9386 AS12000 FMR-AS4 - Fidelity Investments                5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.223.149.0/24     4637 3491 3561 1239 12000   
  192.223.154.0/24     4637 3491 3561 1239 12000   
  192.223.174.0/24     4637 3491 3561 1239 12000   
  192.223.204.0/24     4637 3491 3561 1239 12000   
  192.223.245.0/24     4637 3491 3561 7018 12000   

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

AS12000   6 More Specifics   6 Total Advertisements   FMR-AS4 - Fidelity Investments
    192.223.130.0/24              192.223.128.0/17
    192.223.149.0/24              192.223.128.0/17
    192.223.154.0/24              192.223.128.0/17
    192.223.174.0/24              192.223.128.0/17
    192.223.204.0/24              192.223.128.0/17
    192.223.245.0/24              192.223.128.0/17

Whois Entry

whois: 402603

IANA has recorded AS12000 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12000\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:       12000
             ASName:         FMR-AS4
             ASHandle:       AS12000
             RegDate:        1999-02-24
             Updated:        2024-03-04
             Ref:            https://rdap.arin.net/registry/autnum/12000
             
             
             OrgName:        FMR LLC
             OrgId:          FI-519
             Address:        245 Summer St.
             City:           Boston
             StateProv:      MA
             PostalCode:     02205
             Country:        US
             RegDate:        2022-05-11
             Updated:        2023-05-18
             Ref:            https://rdap.arin.net/registry/entity/FI-519
             
             
             OrgNOCHandle: IPMAS-ARIN
             OrgNOCName:   IPMASTER
             OrgNOCPhone:  +1-603-791-6065 
             OrgNOCEmail:  ipmaster@fmr.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/IPMAS-ARIN
             
             OrgTechHandle: IPMAS-ARIN
             OrgTechName:   IPMASTER
             OrgTechPhone:  +1-603-791-6065 
             OrgTechEmail:  ipmaster@fmr.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPMAS-ARIN
             
             OrgAbuseHandle: IPMAS-ARIN
             OrgAbuseName:   IPMASTER
             OrgAbusePhone:  +1-603-791-6065 
             OrgAbuseEmail:  ipmaster@fmr.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPMAS-ARIN
             
             OrgDNSHandle: IPMAS-ARIN
             OrgDNSName:   IPMASTER
             OrgDNSPhone:  +1-603-791-6065 
             OrgDNSEmail:  ipmaster@fmr.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/IPMAS-ARIN
             
             OrgRoutingHandle: IPMAS-ARIN
             OrgRoutingName:   IPMASTER
             OrgRoutingPhone:  +1-603-791-6065 
             OrgRoutingEmail:  ipmaster@fmr.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/IPMAS-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.
             #