University of Illinois
AS38 is University of Illinois (illinois.edu). It announces 210,944 IPv4 addresses in 7 prefixes, and 3 IPv6 prefixes.
United States· ARIN· allocated 1985-01-24· 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 States210,944 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UIUC
- name
- University of Illinois
- org
- UIUC-Z
- org name
- University of Illinois
- org address
- 1120 DCL, MC-256, 1304 West Springfield Avenue, Urbana, IL, 61801
- org city
- Urbana
- org country
- US
- country
- US
- source
- arin
- created
- 1985-01-24
- updated
- 2022-02-23
- abuse name
- UIUC Security
- abuse email
- abuse@illinois.edu
- abuse phone
- +1-217-265-0000
- abuse kind
- role
- abuse city
- Urbana
- abuse country
- US
- admin name
- Hostmgr
- admin email
- dns-admin@illinois.edu
- admin phone
- +1-217-244-1000
- admin kind
- role
- admin city
- Urbana
- admin country
- US
- tech name
- Hostmgr
- tech email
- dns-admin@illinois.edu
- tech phone
- +1-217-244-1000
- tech kind
- role
- tech city
- Urbana
- 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 IP37vpngate, watchguard0.02%
- geonode, anyip, kocerroxy0.03%
- None here
- None here
- 0.00%
- None here
- Hosting IP14,3366.80%
- None here
- None here
- None here
- SSH IP1340.06%
- 0.00%
- 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 |
|---|---|---|---|---|
| 72.36.64.0/18 | United States | not found | 20 | 2026-10-02 |
| 72.36.80.0/23 | United States | not found | 4 | 2026-10-02 |
| 72.36.96.0/20 | United States | not found | 4 | 2026-10-02 |
| 72.36.97.0/26 | United States | not found | 2 | 2026-10-02 |
| 128.174.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 130.126.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 192.17.0.0/16 | United States | not found | 20 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2600:3900::/28 | United States | not found | 20 | 2026-10-02 |
| 2620:0:e00::/48 | United States | not found | 20 | 2026-10-02 |
| 2620:0:e01::/48 | United States | not found | 20 | 2026-10-02 |
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