Report for 2149

Name

COGENT-2149 - Cogent Communications, 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.

2149 COGENT-2149, 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
58474 AS2149         ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  COGENT-2149, 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       %
30882 AS2149        COGENT-2149, US                                    1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.33.4.0/24        49788 174 2149         

Whois Entry

whois: 402603

IANA has recorded AS2149 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2149\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:       2149
             ASName:         COGENT-2149
             ASHandle:       AS2149
             RegDate:        1993-01-14
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/2149
             
             
             
             OrgName:        Cogent Communications, LLC
             OrgId:          COGC
             Address:        2450 N Street NW
             City:           Washington
             StateProv:      DC
             PostalCode:     20037
             Country:        US
             RegDate:        2000-05-30
             Updated:        2025-09-23
             Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
             Ref:            https://rdap.arin.net/registry/entity/COGC
             
             ReferralServer:  rwhois://rwhois.cogentco.com:4321
             
             OrgAbuseHandle: COGEN-ARIN
             OrgAbuseName:   Cogent Abuse
             OrgAbusePhone:  +1-877-875-4311 
             OrgAbuseEmail:  abuse@cogentco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN
             
             OrgNOCHandle: ZC108-ARIN
             OrgNOCName:   Cogent Communications
             OrgNOCPhone:  +1-877-875-4311 
             OrgNOCEmail:  noc@cogentco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN
             
             OrgTechHandle: IPALL-ARIN
             OrgTechName:   IP Allocation
             OrgTechPhone:  +1-877-875-4311 
             OrgTechEmail:  ipalloc@cogentco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-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.cogentco.com:4321.
             
             %rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.2)
             %error 230 No objects found