AS31755 Viskase Companies, Inc.

United States VISKASE-COMPANIES-INC-ASN ARIN 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

512

IPv6 /48 networks

RPKI

0 valid2 no ROA

Peers and downstreams

Holder

AS name: VISKASE-COMPANIES-INC-ASN
Description: Viskase Companies, Inc.
Organisation: Viskase Companies, Inc.
Abuse contact: Not published
Assigned: 2007-01-24
Registered: 2007-01-25
Record last changed: 2025-12-09 21:36 UTC

137.239.221.0/24 208.4.14.0/24

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS31755
as-name:        VISKASE-COMPANIES-INC-ASN
handle:         AS31755
registrant:     VISKA (Viskase Companies, Inc.)
abuse:          ABUSE1547-ARIN (abuse) <abuse@viskase.com>
noc,technical:  JONES2933-ARIN (Randy Jones) <randy.jones@viskase.com>
last changed:   2025-12-09T16:36:02-05:00
registration:   2007-01-25T14:44:36-05:00
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/31755

const res = await fetch('https://ip-fd.net/api/v1/asn/31755', {
  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/31755', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/31755');
curl_setopt($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/31755", 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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