University of California, San Diego
AS7377 is University of California, San Diego (ucsd.edu). It announces 12,129,280 IPv4 addresses in 18 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1996-11-25· 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.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UCSD
- name
- University of California, San Diego
- org
- UCSD-1-Z
- org name
- University of California, San Diego
- org address
- IT Services, 9500 Gilman Dr, #0903, Attn: Hostmaster, La Jolla, CA, 92093-0903
- org city
- La Jolla
- org country
- US
- country
- US
- source
- arin
- created
- 1996-11-25
- updated
- 2023-12-19
- abuse name
- Network Operations Center
- abuse email
- architects@ucsd.edu
- abuse phone
- +1-858-822-0249
- abuse kind
- role
- abuse city
- La Jolla
- abuse country
- US
- admin name
- Network Operations Center
- admin email
- architects@ucsd.edu
- admin phone
- +1-858-822-0249
- admin kind
- role
- admin city
- La Jolla
- admin country
- US
- tech name
- Network Operations Center
- tech email
- architects@ucsd.edu
- tech phone
- +1-858-822-0249
- tech kind
- role
- tech city
- La Jolla
- tech country
- US
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.
- VPN IP75vpngate0.00%
- geonode, anyip, geonix0.00%
- None here
- None here
- 0.00%
- None here
- Hosting IP36,3520.30%
- None here
- None here
- None here
- SSH IP2,3210.02%
- 0.00%
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 44.0.0.0/9 | United States | not found | 18 | 2026-10-02 |
| 44.128.0.0/10 | United States | not found | 18 | 2026-10-02 |
| 69.166.11.0/24 | United States | not found | 19 | 2026-10-02 |
| 69.196.32.0/19 | United States | not found | 19 | 2026-10-02 |
| 69.196.32.0/20 | United States | not found | 19 | 2026-10-02 |
| 69.196.40.0/24 | United States | not found | 19 | 2026-10-02 |
| 128.54.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 132.239.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 137.110.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 169.228.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 192.135.237.0/24 | United States | not found | 19 | 2026-10-02 |
| 192.135.238.0/24 | United States | not found | 19 | 2026-10-02 |
| 192.154.1.0/24 | United States | not found | 19 | 2026-10-02 |
| 198.134.135.0/24 | United States | valid | 19 | 2026-10-02 |
| 207.34.0.0/24 | United States | not found | 19 | 2026-10-02 |
| 216.21.14.0/24 | United States | not found | 19 | 2026-10-02 |
| 216.151.34.0/24 | United States | not found | 19 | 2026-10-02 |
| 216.151.38.0/24 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:48d0:c000::/34 | United States | not found | 20 | 2026-10-02 |
| 2607:f720::/32 | United States | valid | 20 | 2026-10-02 |
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