AS33633 USG Corporation, Inc.

United States USGCOR-AS ARIN 5 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

1,536

IPv6 /48 networks

RPKI

0 valid5 no ROA

Peers and downstreams

Holder

AS name: USGCOR-AS
Description: USG corporation 125 south franklin Chicago, Illinois US
Organisation: USG Corporation, Inc.
Abuse contact: Not published
Assigned: 2005-02-08
Registered: 2005-02-09
Record last changed: 2012-03-02 13:03 UTC

64.43.232.0/22 64.43.232.0/23 64.43.234.0/23 66.225.192.0/24 8.26.176.0/24

Routing changes

Last 30 days

2026-10-04 03:53 UTC

Relationship changed

AS174

upstream to peer

WHOIS

aut-num:        AS33633
as-name:        USG-CORPORATION
handle:         AS33633
registrant:     USGCOR (USG Corporation, Inc.)
technical:      BJE5-ARIN (Britt Jensen) <BJensen@usg.com>
last changed:   2012-03-02T08:03:18-05:00
registration:   2005-02-09T16:14:06-05:00
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/33633

const res = await fetch('https://ip-fd.net/api/v1/asn/33633', {
  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/33633', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/33633');
curl_setopt($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/33633", 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))

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AS3356	Level 3 Parent, LLC LEVEL3
AS23352	DEFT.COM SERVERCENTRAL