Report for 18684

Name

WCM-ASN - Westfield Capital Management Company, 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 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.

18684 WCM-ASN, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59553 AS18684        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  WCM-ASN, 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       %
35093 AS18684       WCM-ASN, US                                        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  63.118.79.0/24       49788 174 18684        

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

AS18684   2 More Specifics   2 Total Advertisements   WCM-ASN, US
    38.97.95.0/24                 38.0.0.0/8
    63.118.79.0/24                63.64.0.0/10

Whois Entry

whois: 402590

IANA has recorded AS18684 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18684\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/
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             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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             ASNumber:       18684
             ASName:         WCM-ASN
             ASHandle:       AS18684
             RegDate:        2007-05-03
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/18684
             
             
             OrgName:        Westfield Capital Management Company, LLC
             OrgId:          WCMCL
             Address:        1 Financial Center
             Address:        24th Floor
             City:           Boston
             StateProv:      MA
             PostalCode:     02111
             Country:        US
             RegDate:        2007-04-30
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/WCMCL
             
             
             OrgAbuseHandle: KDI20-ARIN
             OrgAbuseName:   DiGravio, Karen 
             OrgAbusePhone:  +1-617-428-7100 
             OrgAbuseEmail:  kdigravio@wcmgmt.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KDI20-ARIN
             
             OrgTechHandle: KDI20-ARIN
             OrgTechName:   DiGravio, Karen 
             OrgTechPhone:  +1-617-428-7100 
             OrgTechEmail:  kdigravio@wcmgmt.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/KDI20-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.
             #