AS17623 China Unicom Shenzen network

China CNCGROUP-SZ APNIC 810 IPv4 prefixes 459 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

1265 valid4 no ROA

Peers and downstreams

Holder

AS name: CNCGROUP-SZ
Description: China Unicom Shenzen network
Organisation: China Unicom Shenzen network
Abuse contact: Not published
Assigned: 2001-01-17

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 88/100

pass	Prefixes covered by valid ROAs 1265 of 1269 announced prefixes are RPKI valid, 4 have no ROA.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 459 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
n/a	Working abuse contact We have no registry record to check.
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
n/a	Registry record maintained We have no change date for this record.

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

<a href="https://ip-fd.net/asn/17623"><img src="https://ip-fd.net/badge/asn/17623/health.svg" alt="AS17623 network health on IP-FD.net"></a>

[![AS17623 network health](https://ip-fd.net/badge/asn/17623/health.svg)](https://ip-fd.net/asn/17623)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 13:43 UTC	New neighbour	AS137745	downstream
2026-10-04 13:43 UTC	Prefix gone	158.140.253.0/24
2026-10-04 13:43 UTC	Prefix gone	158.140.252.0/24
2026-10-04 13:43 UTC	Prefix gone	114.119.10.0/24
2026-10-04 13:43 UTC	New prefix	2408:8459:3280::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3080::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3870::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:2e80::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3c80::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:2c70::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3c70::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3a80::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:2e70::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:2c80::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3680::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3a70::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3270::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3670::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3070::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3480::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3880::/44
2026-10-04 13:43 UTC	New prefix	2408:8459:3470::/44
2026-10-04 13:43 UTC	New prefix	210.83.227.0/24
2026-10-04 13:43 UTC	New prefix	58.250.227.0/24
2026-10-04 13:43 UTC	New prefix	202.46.228.0/23
2026-10-04 13:43 UTC	New prefix	58.250.226.0/24
2026-10-04 13:43 UTC	New prefix	58.250.239.0/24
2026-10-04 13:43 UTC	New prefix	58.250.224.0/24
2026-10-04 13:43 UTC	New prefix	58.250.228.0/24
2026-10-04 13:43 UTC	New prefix	58.250.225.0/24
2026-10-04 13:43 UTC	New prefix	58.250.238.0/24
2026-10-04 13:43 UTC	New prefix	202.46.224.0/22
2026-10-04 13:43 UTC	New prefix	202.46.232.0/23
2026-10-04 13:43 UTC	New prefix	58.250.229.0/24
2026-10-04 13:43 UTC	New prefix	2408:8a05:6300::/40

Routing data

From the weekly collection

Registry record

From the nightly import

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/17623

const res = await fetch('https://ip-fd.net/api/v1/asn/17623', {
  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/17623', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/17623');
curl_setopt($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/17623", 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.

AS4837	CHINA UNICOM China169 Backbone CHINA169-Backbone
AS9929	CHINA UNICOM Industrial Internet Backbone CUII

AS9809	SHENZHEN NOVA TECHNOLOGIES DEVELOPMENT.,LTD. NovaNetwork
AS17962	ShenZhen Topway Video Communication Co. Ltd Topway-Net
AS23842	Shenzhen Information and Network Center SZINC-AS-AP
AS137745	China Internet Network Information Center AS137745-37