Report for 400653

Name

UPENN-WHARTON-SF - University of Pennsylvania, 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.

400653 UPENN-WHARTON-SF - University of Pennsylvania, US

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

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
58070 AS400653       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  UPENN-WHARTON-SF - University of Pennsylvania, 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       %
77374 AS400653      UPENN-WHARTON-SF - University of Pennsylvania      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  165.123.192.0/23     4777 2516 174 400653   

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

AS400653   1 More Specifics   1 Total Advertisements   UPENN-WHARTON-SF - University of Pennsylvania, US
    165.123.192.0/23              165.123.0.0/16

Whois Entry

whois: 402613

IANA has recorded AS400653 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS400653\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:       400653
             ASName:         UPENN-WHARTON-SF
             ASHandle:       AS400653
             RegDate:        2024-10-02
             Updated:        2024-10-02
             Ref:            https://rdap.arin.net/registry/autnum/400653
             
             
             OrgName:        University of Pennsylvania
             OrgId:          UNIVER-8
             Address:        3401 Walnut Street
             Address:        Suite 221A
             City:           Philadelphia
             StateProv:      PA
             PostalCode:     19104-6228
             Country:        US
             RegDate:        1983-10-31
             Updated:        2022-08-03
             Ref:            https://rdap.arin.net/registry/entity/UNIVER-8
             
             
             OrgAbuseHandle: ISO-ARIN
             OrgAbuseName:   Information Security Officer
             OrgAbusePhone:  +1-215-898-2172 
             OrgAbuseEmail:  security@upenn.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISO-ARIN
             
             OrgNOCHandle: UNIVE-ARIN
             OrgNOCName:   University of Pennsylvania
             OrgNOCPhone:  +1-215-573-9631 
             OrgNOCEmail:  noc@isc.upenn.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/UNIVE-ARIN
             
             OrgTechHandle: OBRIE72-ARIN
             OrgTechName:   O'Brien, John 
             OrgTechPhone:  +1-215-898-9818 
             OrgTechEmail:  obrienjw@upenn.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/OBRIE72-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.
             #