AS133111 CERNET New Technology Co., Ltd

China CNT-northChina APNIC 8 IPv4 prefixes 3 IPv6 prefixes

IPv4 addresses

25,856

IPv6 /48 networks

134,742,017

RPKI

9 valid2 no ROA

Peers and downstreams

Holder

AS name: CNT-northChina
Description: CERNET New Technology Co., Ltd CERNET Tower, Tsinghua Science Park Building 8
Organisation: CERNET New Technology Co., Ltd
Abuse contact: Not published
Assigned: 2013-10-07
Registered: 2019-05-23
Record last changed: 2023-09-05 03:51 UTC

103.81.200.0/22 42.201.32.0/19 42.201.33.0/24 42.201.60.0/23 42.201.62.0/23 42.245.192.0/18 42.245.221.0/24 43.252.48.0/24

Routing changes

Last 30 days

2026-10-04 07:27 UTC

Relationship changed

AS9808

upstream to peer

WHOIS

aut-num:        AS133111
as-name:        CNT-northChina
handle:         AS133111
remarks:        CERNET New Technology Co., Ltd
remarks:        CERNET Tower, Tsinghua Science Park Building 8
abuse:          IRT-CNTCL-CN (IRT-CNTCL-CN) <yujj@cernet.com>
technical,administrative:CNTC1-AP (CERNET New Technology Co Ltd administrator) <ningxy@cernet.com>
registrant:     ORG-CNTC5-AP (CERNET New Technology Co., Ltd) <ningxy@cernet.com>
registration:   2019-05-23T12:55:25Z
last changed:   2023-09-05T03:51:15Z
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/133111

const res = await fetch('https://ip-fd.net/api/v1/asn/133111', {
  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/133111', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/133111');
curl_setopt($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/133111", 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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