Report for 14

Name

COLUMBIA-GW - Columbia University, 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.

14 COLUMBIA-GW - Columbia University, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3754          NYSERNET3-AS - NYSERNet, US
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1241  AS14           ORIGIN  Originate:     208896 /14.33  Transit:          0 /0.00  COLUMBIA-GW - Columbia University, 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       %
29710 AS14          COLUMBIA-GW - Columbia University, US             11      0      0     11      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.59.0.0/16        4608 7575 11537 3754 14 14 14   
  129.236.0.0/16       4608 7575 11537 3754 14 14 14   
  160.39.0.0/16        4608 7575 11537 3754 14 14 14   
  192.5.43.0/24        4608 7575 11537 3754 14 14 14   
  192.12.82.0/24       4608 7575 11537 3754 14 14 14   
  207.10.136.0/21      4608 7575 11537 3754 14 14 14   
  209.2.47.0/24        4608 7575 11537 3754 14 14 14   
  209.2.48.0/22        4608 7575 11537 3754 14 14 14   
  209.2.185.0/24       4608 7575 11537 3754 14 14 14   
  209.2.208.0/20       4608 7575 11537 3754 14 14 14   
  209.2.224.0/20       4608 7575 11537 3754 14 14 14   

Whois Entry

whois: 402332

IANA has recorded AS14 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS14\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:       14
             ASName:         COLUMBIA-GW
             ASHandle:       AS14
             RegDate:        
             Updated:        2010-06-28
             Ref:            https://rdap.arin.net/registry/autnum/14
             
             
             OrgName:        Columbia University
             OrgId:          COLUMB
             Address:        612 W 115TH ST
             City:           NEW YORK
             StateProv:      NY
             PostalCode:     10025
             Country:        US
             RegDate:        
             Updated:        2017-01-28
             Ref:            https://rdap.arin.net/registry/entity/COLUMB
             
             
             OrgTechHandle: CU-NOC-ARIN
             OrgTechName:   Columbia University Computer Operations
             OrgTechPhone:  +1-212-854-1919 
             OrgTechEmail:  noc@columbia.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/CU-NOC-ARIN
             
             OrgAbuseHandle: CUAC-ARIN
             OrgAbuseName:   COLUMBIA UNIVERSITY ABUSE CONTACT
             OrgAbusePhone:  +1-212-854-1919 
             OrgAbuseEmail:  abuse@columbia.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CUAC-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.
             #