Autonomous System

AS589 University of North Texas

EducationActiveUnited StatesARIN

AS589 (UNT) is an education network operated by University of North Texas in United States, registered with ARIN. It has 5 IPv4 prefixes with 68,352 addresses and 1 IPv6 prefix, which makes it the 3,097th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses68,352in 5 prefixes
IPv6 prefixes1≈ 7.7 × 10²⁵ addresses
Size rank#3,097of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationUniversity of North Texas
AS nameUNT
Websiteunt.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@unt.edu
Registered1990-02-12
Last updated2026-03-04

IPv4 prefixes

5 prefixes · 68,352 addresses
NetworkAddressesFirst – last address
129.120.0.0/1665,536129.120.0.0 – 129.120.255.255
129.120.96.0/212,048129.120.96.0 – 129.120.103.255
65.36.46.0/2425665.36.46.0 – 65.36.46.255
129.120.235.0/24256129.120.235.0 – 129.120.235.255
192.124.35.0/24256192.124.35.0 – 192.124.35.255

IPv6 prefixes

1 prefix
  • 2620:101:1000::/42

Query AS589 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=AS589&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS589, with or without a key:

curl "https://api.ipapi.is/?q=129.120.0.1"

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