Report for 131

Name

UCSB-NET-AS - University of California, Santa Barbara, 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 AS4637) 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.

131 UCSB-NET-AS - University of California, Santa Barbara

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS2152    CSUNET-NW - California State University Network
    AS4323    TWTC - Time Warner Telecom, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1276  AS131    ORIGIN  Originate:     131840 /14.99  Transit:          0 /0.00  UCSB-NET-AS - University of California, Santa Barbara

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       %
 6573 AS131   UCSB-NET-AS - University of California,       5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.111.0.0/16       4637 11164 2152 131    
  169.231.0.0/16       4637 11164 2152 131    
  192.150.216.0/24     4637 11164 2152 131    
  192.150.217.0/24     4637 4323 131 131 131   
  199.120.153.0/24     4637 11164 2152 131    

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

AS131   1 More Specifics   5 Total Advertisements   UCSB-NET-AS - University of California, Santa Barbara
    169.231.0.0/16                169.230.0.0/15

Whois Entry

whois: 402603

IANA has recorded AS131 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS131\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:       131
             ASName:         UCSB-NET-AS
             ASHandle:       AS131
             RegDate:        1987-09-30
             Updated:        2024-04-26
             Ref:            https://rdap.arin.net/registry/autnum/131
             
             
             
             OrgName:        University of California, Santa Barbara
             OrgId:          UCSB-Z
             Address:        Office of Information Technology
             Address:        North Hall 2124
             City:           Santa Barbara
             StateProv:      CA
             PostalCode:     93106-3201
             Country:        US
             RegDate:        2023-03-18
             Updated:        2023-03-18
             Ref:            https://rdap.arin.net/registry/entity/UCSB-Z
             
             
             OrgAbuseHandle: NETWO4536-ARIN
             OrgAbuseName:   Network Security
             OrgAbusePhone:  +1-805-893-5080 
             OrgAbuseEmail:  security@ucsb.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4536-ARIN
             
             OrgTechHandle: KS1217-ARIN
             OrgTechName:   Schmidt, Kevin 
             OrgTechPhone:  +1-805-893-7779 
             OrgTechEmail:  kps@ucsb.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/KS1217-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.
             #