72.255.40.0/21

CYBERNET-PK IPv4 Pakistan ASSIGNED NON-PORTABLE AS9541

Registration

APNIC

Range: 72.255.40.0 to 72.255.47.255
CIDR: 72.255.40.0/21
Addresses: 2,048
Net name: CYBERNET-PK
Description: Cyber Internet Services Pakistan
Holder: Cyber Internet Services (Private) Limited ORG-CISP3-AP
Status: ASSIGNED NON-PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Covered by 72.255.40.0/24 from AS9541 Cyber Internet Services (Pvt) Ltd.. RPKI valid

Covering allocations

Range	Net name	Status
72.255.0.0 - 72.255.63.255	CYBERNET-PK	ALLOCATED PORTABLE

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        72.255.40.0 - 72.255.47.255
netname:        CYBERNET-PK
descr:          Cyber Internet Services Pakistan
country:        PK
status:         ASSIGNED NON-PORTABLE
source:         APNIC

organisation:   ORG-CISP3-AP
org-name:       Cyber Internet Services (Private) Limited
country:        PK

Location of the first address

Pakistan

Registry country

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/72.255.40.0/21

const res = await fetch('https://ip-fd.net/api/v1/network/72.255.40.0/21', {
  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/network/72.255.40.0/21', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/72.255.40.0/21');
curl_setopt($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/network/72.255.40.0/21", 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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