Report for 11399

Name

WILLIAMSCOLLEGE - Williams College, 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.

11399 WILLIAMSCOLLEGE, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS27552         TWDX, US
    AS6939          HURRICANE, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3496  AS11399        ORIGIN  Originate:      65792 /15.99  Transit:          0 /0.00  WILLIAMSCOLLEGE, 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       %
20897 AS11399       WILLIAMSCOLLEGE, US                                3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  137.165.0.0/16       6939 11399           + Announce - aggregate of 137.165.0.0/17 (6939 11399) and 137.165.128.0/17 (6939 11399)
  137.165.0.0/17       6939 11399           - Withdrawn - aggregated with 137.165.128.0/17 (6939 11399)
  137.165.128.0/17     6939 11399           - Withdrawn - aggregated with 137.165.0.0/17 (6939 11399)
  204.225.173.0/24     6939 11399             

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 137.165.0.0/17              Withdrawn
    - 137.165.128.0/17            Withdrawn

Whois Entry

whois: 402549

IANA has recorded AS11399 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11399\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:       11399
             ASName:         WILLIAMSCOLLEGE
             ASHandle:       AS11399
             RegDate:        1998-08-05
             Updated:        2017-06-07
             Ref:            https://rdap.arin.net/registry/autnum/11399
             
             
             OrgName:        Williams College
             OrgId:          WCCC-8
             Address:        880 Main Street
             City:           Williamstown
             StateProv:      MA
             PostalCode:     01267
             Country:        US
             RegDate:        1998-08-05
             Updated:        2021-08-12
             Ref:            https://rdap.arin.net/registry/entity/WCCC-8
             
             
             OrgAbuseHandle: NETWO8124-ARIN
             OrgAbuseName:   Network Operations
             OrgAbusePhone:  +1-413-597-2032 
             OrgAbuseEmail:  noc@williams.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8124-ARIN
             
             OrgTechHandle: NETWO8124-ARIN
             OrgTechName:   Network Operations
             OrgTechPhone:  +1-413-597-2032 
             OrgTechEmail:  noc@williams.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8124-ARIN
             
             OrgNOCHandle: NETWO8124-ARIN
             OrgNOCName:   Network Operations
             OrgNOCPhone:  +1-413-597-2032 
             OrgNOCEmail:  noc@williams.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8124-ARIN
             
             RTechHandle: NETWO8124-ARIN
             RTechName:   Network Operations
             RTechPhone:  +1-413-597-2032 
             RTechEmail:  noc@williams.edu
             RTechRef:    https://rdap.arin.net/registry/entity/NETWO8124-ARIN
             
             RNOCHandle: NETWO8124-ARIN
             RNOCName:   Network Operations
             RNOCPhone:  +1-413-597-2032 
             RNOCEmail:  noc@williams.edu
             RNOCRef:    https://rdap.arin.net/registry/entity/NETWO8124-ARIN
             
             RAbuseHandle: NETWO8124-ARIN
             RAbuseName:   Network Operations
             RAbusePhone:  +1-413-597-2032 
             RAbuseEmail:  noc@williams.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8124-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.
             #