223.166.0.0/15

UNICOM-SH IPv4 China ALLOCATED PORTABLE AS17621

Registration

APNIC

Range: 223.166.0.0 to 223.167.255.255
CIDR: 223.166.0.0/15
Addresses: 131,072
Net name: UNICOM-SH
Description: CHINA UNICOM Shanghai city network China Unicom No.21,Jin Rong Street,Beijing,100033 P.R.China
Holder: Not published
Status: ALLOCATED PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Covered by 223.166.0.0/16 from AS17621 China Unicom Shanghai network. RPKI valid

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        223.166.0.0 - 223.167.255.255
netname:        UNICOM-SH
descr:          CHINA UNICOM Shanghai city network
descr:          China Unicom
descr:          No.21,Jin Rong Street,Beijing,100033
descr:          P.R.China
country:        CN
status:         ALLOCATED PORTABLE
source:         APNIC

Location of the first address

Shanghai, China

City named in registry record

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/223.166.0.0/15

const res = await fetch('https://ip-fd.net/api/v1/network/223.166.0.0/15', {
  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/223.166.0.0/15', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/223.166.0.0/15');
curl_setopt($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/223.166.0.0/15", 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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