Autonomous System
AS18 University of Texas at Austin
EducationActiveUnited StatesARIN
AS18 (UTEXAS) is an education network operated by University of Texas at Austin in United States, registered with ARIN. It has 8 IPv4 prefixes with 299,520 addresses, which makes it the 955th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses299,520in 8 prefixes
IPv6 prefixes0none
Size rank#955of 82,200 active ASNs
Details
OrganizationUniversity of Texas at Austin
AS nameUTEXAS
Websiteutexas.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactnet-tech@its.utexas.edu
Registered1984-07-27
Last updated2003-07-09
IPv4 prefixes
8 prefixes · 299,520 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.62.0.0/16 | 65,536 | 128.62.0.0 – 128.62.255.255 |
| 128.83.0.0/16 | 65,536 | 128.83.0.0 – 128.83.255.255 |
| 129.116.0.0/16 | 65,536 | 129.116.0.0 – 129.116.255.255 |
| 146.6.0.0/16 | 65,536 | 146.6.0.0 – 146.6.255.255 |
| 198.213.192.0/18 | 16,384 | 198.213.192.0 – 198.213.255.255 |
| 206.76.64.0/18 | 16,384 | 206.76.64.0 – 206.76.127.255 |
| 198.214.80.0/20 | 4,096 | 198.214.80.0 – 198.214.95.255 |
| 198.214.250.0/23 | 512 | 198.214.250.0 – 198.214.251.255 |
128.62.0.0/16 128.83.0.0/16 129.116.0.0/16 146.6.0.0/16 198.213.192.0/18 206.76.64.0/18 198.214.80.0/20 198.214.250.0/23
IPv6 prefixes
No IPv6 prefixes.
Query AS18 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=AS18&key=YOUR_API_KEY"Any address in its prefixes resolves to AS18, with or without a key:
curl "https://api.ipapi.is/?q=128.62.0.1"Other networks of University of Texas at Austin
Largest networks in United States
AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses