The Regents of the University of California - University of California, San Diego.
AS26397 is The Regents of the University of California - University of California, San Diego. (optiputer.net). It announces 6,784 IPv4 addresses in 4 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2006-12-21· 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 States6,656 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- OPTIPUTER
- name
- The Regents of the University of California - University of California, San Diego.
- org
- THERE-41
- org name
- The Regents of the University of California - University of California, San Diego.
- org address
- Prism Project,University of California, San Diego, 9500 Gilman Drive, MS-0505, La Jolla, CA, 92093-0505
- org city
- La Jolla
- org country
- US
- country
- US
- source
- arin
- created
- 2006-12-21
- updated
- 2015-10-19
- remarks
- contact SDSC NOC for emergencies at 858-534-5090. Request SDSC/PRISM Network Support
- abuse
- ABUSE1467-ARIN|PAPAD12-ARIN|TH60-ARIN
- abuse name
- Abuse Optiputer
- abuse email
- abuse@optiputer.net
- abuse phone
- +1-858-534-3036
- abuse kind
- role
- abuse city
- La Jolla
- abuse country
- US
- admin name
- Thomas Hutton
- admin email
- hutton@sdslug.org
- admin phone
- +1-858-534-5136
- admin kind
- person
- admin city
- Poway
- admin country
- US
- tech
- SDSCN-ARIN|TECHO2-ARIN|TH60-ARIN
- tech name
- SDSC NOC
- tech email
- noc@sdsc.edu
- tech phone
- +1-858-534-5090
- tech kind
- role
- tech city
- La Jolla
- tech country
- US
- abuse unvalidated since
- 2010-06-08
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 IP1,79226.42%
- None here
- None here
- None here
- SSH IP1982.92%
- 0.01%
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 67.58.32.0/19 | United States | not found | 18 | 2026-10-02 |
| 67.58.48.0/20 | United States | not found | 3 | 2026-10-02 |
| 169.228.130.0/23 | United States | valid | 4 | 2026-10-02 |
| 169.228.132.0/24 | United States | valid | 4 | 2026-10-02 |
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