Report for 5653

Name

UCSF - University of California San Francisco, 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.

5653 UCSF - University of California San Francisco, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS2153          CENIC-2153 - CENIC, US
    AS2152          CENIC-2152 - CENIC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1292  AS5653         ORIGIN  Originate:     200704 /14.39  Transit:          0 /0.00  UCSF - University of California San Francisco, 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       %
15739 AS5653        UCSF - University of California San Francisco     19      4      2     17      2  10.53%


  Prefix               AS Path                              Aggregation Suggestion
  64.54.0.0/16         4777 2516 2152 5653    
  64.54.4.0/24         4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.6.0/24         4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.9.0/24         4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.17.0/24        4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.18.0/24        4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.128.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.149.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.162.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.192.0/23       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 + Announce - aggregate of 64.54.192.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653) and 64.54.193.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.192.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 - Withdrawn - aggregated with 64.54.193.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.193.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 - Withdrawn - aggregated with 64.54.192.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.195.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.196.0/23       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 + Announce - aggregate of 64.54.196.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653) and 64.54.197.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.196.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 - Withdrawn - aggregated with 64.54.197.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.197.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653 - Withdrawn - aggregated with 64.54.196.0/24 (4777 2516 2152 5653 5653 5653 5653 5653 5653 5653)
  64.54.201.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  64.54.202.0/24       4777 2516 2152 5653 5653 5653 5653 5653 5653 5653   
  128.218.0.0/16       4777 2516 2152 5653    
  169.230.0.0/16       4777 2516 2152 5653    
  169.230.239.0/24     4608 7575 2153 5653    

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

AS5653   17 More Specifics   19 Total Advertisements   UCSF - University of California San Francisco, US
    64.54.4.0/24                  64.54.0.0/16
    64.54.6.0/24                  64.54.0.0/16
    64.54.9.0/24                  64.54.0.0/16
    64.54.17.0/24                 64.54.0.0/16
    64.54.18.0/24                 64.54.0.0/16
    64.54.128.0/24                64.54.0.0/16
    64.54.149.0/24                64.54.0.0/16
    64.54.162.0/24                64.54.0.0/16
    64.54.192.0/24                64.54.0.0/16
    64.54.193.0/24                64.54.0.0/16
    64.54.195.0/24                64.54.0.0/16
    64.54.196.0/24                64.54.0.0/16
    64.54.197.0/24                64.54.0.0/16
    64.54.201.0/24                64.54.0.0/16
    64.54.202.0/24                64.54.0.0/16
    169.230.0.0/16                169.230.0.0/15
    169.230.239.0/24              169.230.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS5653 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS5653\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:       5653
             ASName:         UCSF
             ASHandle:       AS5653
             RegDate:        1995-07-27
             Updated:        2026-02-26
             Ref:            https://rdap.arin.net/registry/autnum/5653
             
             
             OrgName:        University of California San Francisco
             OrgId:          UCSF-Z
             Address:        Room 602
             Address:        1855 Folsom Street
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94143-0225
             Country:        US
             RegDate:        2023-08-22
             Updated:        2023-08-22
             Ref:            https://rdap.arin.net/registry/entity/UCSF-Z
             
             
             OrgAbuseHandle: UIISS-ARIN
             OrgAbuseName:   UCSF ITS Information Security Services
             OrgAbusePhone:  +1-415-514-4100 
             OrgAbuseEmail:  security@ucsf.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/UIISS-ARIN
             
             OrgTechHandle: CHENT14-ARIN
             OrgTechName:   Chen, Tom 
             OrgTechPhone:  +1-415-353-3990 
             OrgTechEmail:  tom.chen@ucsf.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHENT14-ARIN
             
             OrgTechHandle: YOUNG1436-ARIN
             OrgTechName:   Young, Steve 
             OrgTechPhone:  +1-415-716-5570 
             OrgTechEmail:  steve.young@ucsf.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/YOUNG1436-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.
             #