AS589 University of North Texas

United States AS-UNT ARIN 5 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

66,048

IPv6 /48 networks

RPKI

4 valid2 no ROA

Peers and downstreams

Holder

AS name: AS-UNT
Description: University of North Texas Denton, TX
Organisation: University of North Texas
Abuse contact: Not published
Assigned: 1990-02-11
Registered: 1990-02-12
Record last changed: 2026-03-04 18:18 UTC

129.120.0.0/16 129.120.235.0/24 129.120.96.0/21 192.124.35.0/24 65.36.46.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 82/100

partly	Prefixes covered by valid ROAs 4 of 6 announced prefixes are RPKI valid, 2 have no ROA.	17/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@unt.edu is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-03-04.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/589"><img src="https://ip-fd.net/badge/asn/589/health.svg" alt="AS589 network health on IP-FD.net"></a>

Markdown

[![AS589 network health](https://ip-fd.net/badge/asn/589/health.svg)](https://ip-fd.net/asn/589)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-05 22:24 UTC

Relationship changed

AS16905

upstream to peer

WHOIS

aut-num:        AS589
as-name:        UNT
handle:         AS589
registrant:     UNT-Z (University of North Texas)
technical:      MCCAU90-ARIN (Michelle McCauley) <Michelle.McCauley@untsystem.edu>
abuse:          INFOR9-ARIN (Information Security) <abuse@unt.edu>
technical,administrative:BURKE346-ARIN (Timothy Burke) <Timothy.Burke@untsystem.edu>
last changed:   2026-03-04T13:18:07-05:00
registration:   1990-02-12T00:00:00-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/589

const res = await fetch('https://ip-fd.net/api/v1/asn/589', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/589', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/589');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/589", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

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