AS138421 Cu-Cn

China CU-CN-AS APNIC 246 IPv4 prefixes 40 IPv6 prefixes

IPv4 addresses

171,008

IPv6 /48 networks

535

RPKI

279 valid2 invalid5 no ROA

Peers and downstreams

Holder

AS name: CU-CN-AS
Description: China Unicom A1218, China Unicom No.21, Jin-Rong Street
Organisation: China Unicom
Abuse contact: Not published
Assigned: 2018-11-12
Registered: 2018-11-13
Record last changed: 2023-10-21 03:33 UTC

1.1.8.0/24 103.192.212.0/22 103.220.164.0/22 103.220.167.0/24 103.222.40.0/24 103.222.41.0/24 103.222.42.0/24 103.222.43.0/24 103.36.174.0/23 103.6.222.0/24 103.6.223.0/24 103.68.128.0/22 112.64.112.0/22 112.64.212.0/22 112.64.32.0/24 112.64.33.0/24 112.64.34.0/24 112.64.35.0/24 112.64.45.0/24 112.64.64.0/24 112.65.112.0/24 112.65.116.0/23 112.65.116.0/24 112.65.117.0/24 112.65.216.0/24 112.65.217.0/24 112.65.219.0/24 112.65.220.0/24 112.65.222.0/23 112.65.222.0/24 112.65.223.0/24 112.65.224.0/23 112.65.226.0/24 112.65.227.0/24 112.65.228.0/22 112.65.232.0/23 112.65.235.0/24 112.65.237.0/24 112.65.238.0/24 112.65.240.0/20 112.65.64.0/24 112.65.66.0/24 112.65.72.0/24 112.65.73.0/24 112.65.74.0/24 112.65.75.0/24 112.65.94.0/24 114.67.64.0/18 116.128.149.0/24 116.128.189.0/24 116.128.190.0/23 116.128.190.0/24 116.128.191.0/24 116.196.192.0/21 116.198.144.0/20 116.198.160.0/21 116.198.168.0/21 116.198.176.0/22 116.198.180.0/22 116.63.112.0/21 116.63.120.0/21 116.63.192.0/18 116.63.32.0/19 116.63.96.0/20 122.9.176.0/20 122.9.64.0/19 139.159.108.0/23 139.159.110.0/24 139.159.96.0/21 139.227.231.0/24 140.206.167.0/24 140.206.200.0/22 140.206.200.0/24 140.206.201.0/24 140.206.202.0/24 140.206.203.0/24 140.206.204.0/24 140.206.208.0/23 140.206.211.0/24 140.206.212.0/22 140.206.212.0/24 140.206.213.0/24 140.206.216.0/22 140.206.219.0/24 140.206.228.0/24 140.206.229.0/24 140.206.230.0/24 140.206.231.0/24 140.206.232.0/24 140.206.234.0/24 140.206.238.0/24 140.206.240.0/22 140.206.244.0/24 140.206.247.0/24 140.207.130.0/24 140.207.131.0/24 140.207.134.0/24 140.207.135.0/24 140.207.138.0/23 140.207.140.0/23 140.207.208.0/21 140.207.208.0/24 140.207.209.0/24 140.207.210.0/24 140.207.211.0/24 140.207.212.0/24 140.207.213.0/24 140.207.214.0/24 140.207.215.0/24 140.207.216.0/21 140.207.216.0/22 140.207.216.0/24 140.207.217.0/24 140.207.218.0/24 140.207.219.0/24 140.207.220.0/22 140.207.220.0/24 140.207.224.0/21 140.207.233.0/24 140.207.235.0/24 140.207.237.0/24 140.207.238.0/23 140.207.240.0/23 140.207.241.0/24 140.207.244.0/23 140.207.245.0/24 140.207.246.0/24 140.207.248.0/23 140.207.249.0/24 140.207.251.0/24 140.207.252.0/22 140.207.255.0/24 140.207.69.0/24 140.207.70.0/24 140.207.72.0/24 140.207.73.0/24 140.210.128.0/19 203.166.160.0/22 203.166.165.0/24 203.166.166.0/24 203.166.172.0/24 203.166.177.0/24 203.166.186.0/23 203.166.188.0/24 203.166.189.0/24 203.166.191.0/24 210.22.165.0/24 210.51.20.0/22 210.51.25.0/24 210.51.26.0/24 210.51.27.0/24 210.51.29.0/24 210.51.32.0/24 210.51.34.0/23 210.51.36.0/22 210.51.36.0/24 210.51.40.0/24 210.51.41.0/24 210.51.45.0/24 210.51.46.0/24 210.51.47.0/24 210.51.48.0/22 210.51.52.0/24 210.51.53.0/24 210.51.54.0/23 210.51.56.0/23 210.51.59.0/24 210.51.61.0/24 210.51.62.0/23 210.52.212.0/24 211.152.57.0/24 211.152.58.0/24 211.95.22.0/24 211.95.54.0/24 211.95.55.0/24 211.95.60.0/24 211.95.73.0/24 211.95.75.0/24 211.95.76.0/24 211.95.79.0/24 220.196.164.0/22 220.196.168.0/22 220.196.172.0/22 220.196.180.0/22 220.196.184.0/24 220.196.185.0/24 220.196.186.0/23 220.196.186.0/24 220.196.187.0/24 220.196.188.0/24 220.196.189.0/24 220.196.190.0/23 220.196.224.0/19 220.196.240.0/21 220.196.240.0/24 220.196.241.0/24 220.196.242.0/24 220.196.243.0/24 220.196.244.0/24 220.196.245.0/24 220.196.246.0/24 220.196.247.0/24 220.196.248.0/22 220.196.42.0/24 220.196.53.0/24 220.196.58.0/24 220.196.88.0/24 220.196.89.0/24 220.196.90.0/24 220.196.91.0/24 220.196.92.0/22 220.196.92.0/24 220.196.93.0/24 220.196.94.0/24 220.196.95.0/24 223.167.106.0/24 223.167.107.0/24 223.167.108.0/24 223.167.109.0/24 223.167.110.0/24 223.167.111.0/24 223.167.85.0/24 43.240.124.0/24 43.240.125.0/24 43.240.126.0/23 43.240.128.0/23 43.240.130.0/23 43.240.192.0/22 43.254.104.0/24 43.254.105.0/24 43.254.106.0/24 43.254.144.0/24 43.254.145.0/24 43.254.146.0/24 43.254.147.0/24 43.254.148.0/22 43.254.44.0/23 43.254.46.0/23 45.253.24.0/24 45.253.25.0/24 45.253.26.0/24 45.253.27.0/24 45.253.32.0/24 58.246.165.0/24 58.246.207.0/24 58.247.254.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 74/100

partly	Prefixes covered by valid ROAs 279 of 286 announced prefixes are RPKI valid, 5 have no ROA.	24/25
fail	No RPKI invalid announcements 2 announced prefixes are RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 40 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact hqs-ipabuse@chinaunicom.cn is published.	15/15
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
pass	Registry record maintained Last changed 2023-10-21.	5/5

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

HTML

<a href="https://ip-fd.net/asn/138421"><img src="https://ip-fd.net/badge/asn/138421/health.svg" alt="AS138421 network health on IP-FD.net"></a>

Markdown

[![AS138421 network health](https://ip-fd.net/badge/asn/138421/health.svg)](https://ip-fd.net/asn/138421)

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

Routing changes

Last 30 days

2026-10-05 20:49 UTC

Neighbour gone

AS4811

downstream

WHOIS

aut-num:        AS138421
as-name:        CU-CN-AS
handle:         AS138421
remarks:        China Unicom
remarks:        A1218, China Unicom
remarks:        No.21, Jin-Rong Street
abuse:          IRT-CU-CN (IRT-CU-CN) <hqs-ipabuse@chinaunicom.cn>
registrant:     ORG-CU1-AP (China Unicom) <zhaoyz3@chinaunicom.cn>
technical,administrative:CH1302-AP (ChinaUnicom Hostmaster) <hqs-ipabuse@chinaunicom.cn>
registration:   2018-11-13T00:27:09Z
last changed:   2023-10-21T03:33:17Z
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/138421

const res = await fetch('https://ip-fd.net/api/v1/asn/138421', {
  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/138421', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/138421');
curl_setopt($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/138421", 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.

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