University of California, Riverside
AS6106 is University of California, Riverside (ucr.edu). It announces 131,328 IPv4 addresses in 4 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1995-11-10· 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 States131,328 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UCR-EDU
- name
- University of California, Riverside
- org
- UCR-6
- org name
- University of California, Riverside
- org address
- Computing & Communications Bldg, Riverside, CA, 92521
- org city
- Riverside
- org country
- US
- country
- US
- source
- arin
- created
- 1995-11-10
- updated
- 2022-10-07
- abuse name
- Abuse
- abuse email
- abuse@ucr.edu
- abuse phone
- +1-951-827-4875
- abuse kind
- role
- abuse city
- Riverside
- abuse country
- US
- admin name
- Michael Kennedy
- admin email
- michael.kennedy@ucr.edu
- admin phone
- +1-951-827-4875
- admin kind
- person
- admin city
- Riverside
- admin country
- US
- tech
- KENNE340-ARIN
- tech name
- Michael Kennedy
- tech email
- michael.kennedy@ucr.edu
- tech phone
- +1-951-827-4875
- tech kind
- person
- tech city
- Riverside
- 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 IP110.01%
- geonode, anyip, thordata0.02%
- None here
- None here
- None here
- None here
- Hosting IP4,0963.12%
- None here
- None here
- None here
- SSH IP3680.28%
- SMTP IP110.01%
- 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 |
|---|---|---|---|---|
| 138.23.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 138.23.104.0/22 | United States | not found | 3 | 2026-10-02 |
| 169.235.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 192.31.146.0/24 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2607:f290::/32 | United States | not found | 20 | 2026-10-02 |
| 2607:f290:10::/48 | United States | not found | 2 | 2026-10-02 |
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