San Diego Supercomputer Center
AS1909 is San Diego Supercomputer Center (caida.org). It announces 256 IPv4 addresses in 1 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1992-06-02· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CAIDA
- name
- San Diego Supercomputer Center
- org
- SDSC-Z
- org name
- San Diego Supercomputer Center
- org address
- 9500 Gilman Drive, MS-0505, La Jolla, CA, 92093-0505
- org city
- La Jolla
- org country
- US
- country
- US
- source
- arin
- created
- 1992-06-02
- updated
- 2024-01-10
- abuse name
- SDSC-ABUSE
- abuse email
- abuse@sdsc.edu
- abuse phone
- +1-858-534-5090
- abuse kind
- role
- abuse city
- La Jolla
- abuse country
- US
- admin name
- Dan Herman
- admin email
- diherman@sdsc.edu
- admin phone
- +1-858-534-6589
- admin kind
- person
- admin city
- La Jolla
- admin country
- US
- tech
- KCC10-ARIN|TH60-ARIN
- tech name
- K Claffy
- tech email
- kc@caida.org
- tech phone
- +1-858-534-5000
- tech kind
- person
- tech city
- La Jolla
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- SSH IP259.77%
- 0.39%
- 1.95%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 192.172.226.0/24 | United States | not found | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:48d0:5000::/37 | United States | not found | 19 | 2026-10-02 |
| 2001:48d0:5000::/48 | United States | not found | 19 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.