University of Illinois
AS1224 is University of Illinois (illinois.edu). It announces 65,792 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1991-02-25· 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.
- United States65,792 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NCSA-AS
- name
- University of Illinois
- org
- NCSA-3-Z
- org name
- University of Illinois
- org address
- NCSA, 1205 W. Clark St, Urbana, IL, 61801
- org city
- Urbana
- org country
- US
- country
- US
- source
- arin
- created
- 1991-02-25
- updated
- 2024-02-12
- abuse name
- Network Development
- abuse email
- neteng@ncsa.illinois.edu
- abuse phone
- +1-217-244-0714
- abuse kind
- role
- abuse city
- Urbana
- abuse country
- US
- admin name
- Network Development
- admin email
- neteng@ncsa.illinois.edu
- admin phone
- +1-217-244-0714
- admin kind
- role
- admin city
- Urbana
- admin country
- US
- tech
- ND63-ORG-ARIN
- tech name
- Network Development
- tech email
- neteng@ncsa.illinois.edu
- tech phone
- +1-217-244-0714
- 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.
- 0.01%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- SSH IP500.08%
- None here
- 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 |
|---|---|---|---|---|
| 141.142.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 198.17.196.0/24 | United States | not found | 20 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:0:c80::/48 | United States | valid | 20 | 2026-10-02 |
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