Report for 1909

Name

CAIDA - San Diego Supercomputer Center, 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.

1909 ALPHA-NAP-AS - San Diego Supercomputer Center

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS195     SDSC-AS - San Diego Supercomputer Center

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19574 AS1909   ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  ALPHA-NAP-AS - San Diego Supercomputer Center

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       %
 6791 AS1909  ALPHA-NAP-AS - San Diego Supercomputer C      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.172.226.0/24     4637 11164 2152 195 1909   

Whois Entry

whois: 402603

IANA has recorded AS1909 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1909\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:       1909
             ASName:         CAIDA
             ASHandle:       AS1909
             RegDate:        1992-06-02
             Updated:        2024-01-10
             Ref:            https://rdap.arin.net/registry/autnum/1909
             
             
             OrgName:        San Diego Supercomputer Center
             OrgId:          SDSC-Z
             Address:        9500 Gilman Drive
             Address:        MS-0505
             City:           La Jolla
             StateProv:      CA
             PostalCode:     92093-0505
             Country:        US
             RegDate:        2023-04-06
             Updated:        2023-05-24
             Ref:            https://rdap.arin.net/registry/entity/SDSC-Z
             
             
             OrgAbuseHandle: SDSCA-ARIN
             OrgAbuseName:   SDSC-ABUSE
             OrgAbusePhone:  +1-858-534-5090 
             OrgAbuseEmail:  abuse@sdsc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SDSCA-ARIN
             
             OrgNOCHandle: ENS13-ARIN
             OrgNOCName:   ENS
             OrgNOCPhone:  +1-858-534-5090 
             OrgNOCEmail:  ens@sdsc.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ENS13-ARIN
             
             OrgTechHandle: SKINN116-ARIN
             OrgTechName:   Skinner, Erik 
             OrgTechPhone:  +1-815-534-5090 
             OrgTechEmail:  eskinner@sdsc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/SKINN116-ARIN
             
             OrgAbuseHandle: SDSCH-ARIN
             OrgAbuseName:   SDSC Hostmaster
             OrgAbusePhone:  +1-858-534-5090 
             OrgAbuseEmail:  hostmaster@sdsc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SDSCH-ARIN
             
             OrgTechHandle: TH60-ARIN
             OrgTechName:   Hutton, Thomas 
             OrgTechPhone:  +1-858-534-5136 
             OrgTechEmail:  hutton@sdslug.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TH60-ARIN
             
             OrgNOCHandle: TH60-ARIN
             OrgNOCName:   Hutton, Thomas 
             OrgNOCPhone:  +1-858-534-5136 
             OrgNOCEmail:  hutton@sdslug.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TH60-ARIN
             
             OrgTechHandle: HERMA36-ARIN
             OrgTechName:   Herman, Dan 
             OrgTechPhone:  +1-585-747-7458 
             OrgTechEmail:  diherman@sdsc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/HERMA36-ARIN
             
             RTechHandle: KCC10-ARIN
             RTechName:   Claffy, K C.
             RTechPhone:  +1-858-534-5000 
             RTechEmail:  kc@caida.org
             RTechRef:    https://rdap.arin.net/registry/entity/KCC10-ARIN
             
             RTechHandle: TH60-ARIN
             RTechName:   Hutton, Thomas 
             RTechPhone:  +1-858-534-5136 
             RTechEmail:  hutton@sdslug.org
             RTechRef:    https://rdap.arin.net/registry/entity/TH60-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.
             #