103.3.136.0/22

UNICOM-XJ IPv4 China ALLOCATED PORTABLE AS4837

Registration

APNIC

Range: 103.3.136.0 to 103.3.139.255
CIDR: 103.3.136.0/22
Addresses: 1,024
Net name: UNICOM-XJ
Description: China Unicom XinJiang province network China Unicom No.21, Jin-Rong Street Beijing 100033
Holder: Not published
Status: ALLOCATED PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
103.3.136.0/22	AS4837 CHINA169-Backbone	RPKI valid

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        103.3.136.0 - 103.3.139.255
netname:        UNICOM-XJ
descr:          China Unicom XinJiang province network
descr:          China Unicom
descr:          No.21, Jin-Rong Street
descr:          Beijing 100033
country:        CN
status:         ALLOCATED PORTABLE
source:         APNIC

Location of the first address

Beijing, China

City named in registry record

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/103.3.136.0/22

const res = await fetch('https://ip-fd.net/api/v1/network/103.3.136.0/22', {
  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/103.3.136.0/22', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/103.3.136.0/22');
curl_setopt($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/103.3.136.0/22", 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.