AS400273 Johnstone Supply, LLC

United States JSL-76-ASN ARIN 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

0 valid1 no ROA

Peers and downstreams

Holder

AS name: JSL-76-ASN
Description: Johnstone Supply, LLC
Organisation: Johnstone Supply, LLC
Abuse contact: Not published
Assigned: 2021-12-01
Registered: 2021-12-02
Record last changed: 2026-07-14 12:13 UTC

8.41.137.0/24

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:        AS400273
as-name:        JSL-76-ASN
handle:         AS400273
registrant:     JSL-76 (Johnstone Supply, LLC)
last changed:   2026-07-14T08:13:16-04:00
registration:   2021-12-02T10:54:29-05:00
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/400273

const res = await fetch('https://ip-fd.net/api/v1/asn/400273', {
  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/400273', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/400273');
curl_setopt($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/400273", 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.

AS3356	Level 3 Parent, LLC LEVEL3
AS7385	Allstream Business US, LLC ABUL-14-7385