University of Illinois
AS40387 is University of Illinois (illinois.edu). It announces 2,048 IPv4 addresses in 1 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2007-02-07· 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 States2,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UI-ICCN
- name
- University of Illinois
- org
- UIUC
- 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
- 2007-02-07
- updated
- 2014-12-02
- 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
- 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.
- 0.10%
- None here
- None here
- None here
- None here
- None here
- None here
- CDN IP29akamai1.42%
- None here
- None here
- 0.15%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 72.36.120.0/21 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:0:e10::/48 | United States | not found | 19 | 2026-10-02 |
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