AS1909 San Diego Supercomputer Center
AS1909 (CAIDA) is registered to San Diego Supercomputer Center in US, through ARIN. It originates 3 prefixes in the global routing table.
Who holds AS1909
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
WHOIS recordARIN
# # 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 OrgAbuseHandle: SDSCH-ARIN OrgAbuseName: SDSC Hostmaster OrgAbusePhone: +1-858-534-5090 OrgAbuseEmail: hostmaster@sdsc.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/SDSCH-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: HERMA36-ARIN OrgTechName: Herman, Dan OrgTechPhone: +1-585-747-7458 OrgTechEmail: diherman@sdsc.edu OrgTechRef: https://rdap.arin.net/registry/entity/HERMA36-ARIN OrgNOCHandle: TH60-ARIN OrgNOCName: Hutton, Thomas OrgNOCPhone: +1-858-534-5152 OrgNOCEmail: hutton@sdslug.org OrgNOCRef: https://rdap.arin.net/registry/entity/TH60-ARIN OrgTechHandle: TH60-ARIN OrgTechName: Hutton, Thomas OrgTechPhone: +1-858-534-5152 OrgTechEmail: hutton@sdslug.org OrgTechRef: https://rdap.arin.net/registry/entity/TH60-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 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: +1-858-534-5152 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. #
What AS1909 announces
Prefixes originated by AS1909 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS1909 is reached through
The AS just before AS1909 in the paths our looking glass collectors hold, for 3 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
Route objects with origin AS1909: RADB 4