AS4158 City University of Hong Kong

Hong Kong SAR China CITYUNI-AS-AP APNIC 23 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

82,944

IPv6 /48 networks

RPKI

0 valid24 no ROA

Peers and downstreams

Holder

AS name: CITYUNI-AS-AP
Description: City University of Hong Kong
Organisation: City University of Hong Kong
Abuse contact: Not published
Assigned: 2002-07-31
Registered: 2008-09-04
Record last changed: 2022-10-10 12:59 UTC

Routing changes

Last 30 days

2026-10-04 03:36 UTC	Relationship changed	AS137207	upstream to peer
2026-10-04 03:36 UTC	Prefix gone	144.214.245.0/24
2026-10-04 03:36 UTC	New prefix	203.188.89.0/24
2026-10-04 03:36 UTC	New prefix	203.188.91.0/24
2026-10-04 03:36 UTC	New prefix	144.214.226.0/24
2026-10-04 03:36 UTC	New prefix	175.159.85.0/24
2026-10-04 03:36 UTC	New prefix	175.159.94.0/24
2026-10-04 03:36 UTC	New prefix	175.159.77.0/24
2026-10-04 03:36 UTC	New prefix	175.159.87.0/24
2026-10-04 03:36 UTC	New prefix	175.159.93.0/24
2026-10-04 03:36 UTC	New prefix	175.159.90.0/24
2026-10-04 03:36 UTC	New prefix	175.159.92.0/24
2026-10-04 03:36 UTC	New prefix	175.159.72.0/24
2026-10-04 03:36 UTC	New prefix	175.159.83.0/24
2026-10-04 03:36 UTC	New prefix	175.159.81.0/24
2026-10-04 03:36 UTC	New prefix	144.214.56.0/24

WHOIS

aut-num:        AS4158
as-name:        CITYUNI-AS-AP
handle:         AS4158
remarks:        City University of Hong Kong
technical,administrative:CUOH2-AP (City University of Hong Kong - Network Administrator) <ccnet@cityu.edu.hk>
registrant:     ORG-CUOH2-AP (City University of Hong Kong) <ccnet@cityu.edu.hk>
abuse:          IRT-CITYUNI-NON-HK (IRT-CITYUNI-NON-HK) <ccnet@cityu.edu.hk>
registration:   2008-09-04T06:40:34Z
last changed:   2022-10-10T12:59:27Z
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC 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/4158

const res = await fetch('https://ip-fd.net/api/v1/asn/4158', {
  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/4158', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/4158');
curl_setopt($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/4158", 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.