203.99.166.0/23

PTCL IPv4 Pakistan ASSIGNED NON-PORTABLE AS17557

Registration

APNIC

Range: 203.99.166.0 to 203.99.167.255
CIDR: 203.99.166.0/23
Addresses: 512
Net name: PTCL
Description: HSI pool on ISB BRAS-1
Holder: Pakistan Telecommuication company limited ORG-PTCL1-AP
Status: ASSIGNED NON-PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Covered by 203.99.166.0/24 from AS17557 Pakistan Telecommunication Company Limited. RPKI valid

Covering allocations

Range	Net name	Status
203.99.160.0 - 203.99.191.255	PTCL	ALLOCATED PORTABLE

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        203.99.166.0 - 203.99.167.255
netname:        PTCL
descr:          HSI pool on ISB BRAS-1
country:        PK
status:         ASSIGNED NON-PORTABLE
source:         APNIC

organisation:   ORG-PTCL1-AP
org-name:       Pakistan Telecommuication company limited
country:        PK

Location of the first address

Islamabad, Pakistan

City named in registry record

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/203.99.166.0/23

const res = await fetch('https://ip-fd.net/api/v1/network/203.99.166.0/23', {
  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/203.99.166.0/23', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/203.99.166.0/23');
curl_setopt($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/203.99.166.0/23", 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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