Autonomous System
AS38 University of Illinois
EducationActiveUnited StatesARIN
AS38 (UIUC) is an education network operated by University of Illinois in United States, registered with ARIN. It has 6 IPv4 prefixes with 217,600 addresses and 3 IPv6 prefixes, which makes it the 1,214th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses217,600in 6 prefixes
IPv6 prefixes3≈ 1.3 × 10³⁰ addresses
Size rank#1,214of 82,141 active ASNs
Details
OrganizationUniversity of Illinois
AS nameUIUC
Websiteillinois.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@illinois.edu
Registered1985-01-24
Last updated2022-02-23
IPv4 prefixes
6 prefixes · 217,600 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.174.0.0/16 | 65,536 | 128.174.0.0 – 128.174.255.255 |
| 130.126.0.0/16 | 65,536 | 130.126.0.0 – 130.126.255.255 |
| 192.17.0.0/16 | 65,536 | 192.17.0.0 – 192.17.255.255 |
| 72.36.64.0/18 | 16,384 | 72.36.64.0 – 72.36.127.255 |
| 72.36.96.0/20 | 4,096 | 72.36.96.0 – 72.36.111.255 |
| 72.36.80.0/23 | 512 | 72.36.80.0 – 72.36.81.255 |
128.174.0.0/16 130.126.0.0/16 192.17.0.0/16 72.36.64.0/18 72.36.96.0/20 72.36.80.0/23
IPv6 prefixes
3 prefixes- 2600:3900::/28
- 2620:0:e00::/48
- 2620:0:e01::/48
2600:3900::/28 2620:0:e00::/48 2620:0:e01::/48
Query AS38 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS38&key=YOUR_API_KEY"Any address in its prefixes resolves to AS38, with or without a key:
curl "https://api.ipapi.is/?q=128.174.0.1"Other networks of University of Illinois
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