AS24349 CERNET2 IX at Peking University

China CNGI-BJ-IX3-AS-AP APNIC 0 IPv4 prefixes 63 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

327,738

RPKI

61 valid2 no ROA

Peers and downstreams

Holder

AS name: CNGI-BJ-IX3-AS-AP
Description: CERNET2 IX at Peking University CERNET Center Beijing 100084, China
Organisation: CERNET2 IX at Peking University
Abuse contact: Not published
Assigned: 2005-03-02

None announced.

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 86/100

partly	Prefixes covered by valid ROAs 61 of 63 announced prefixes are RPKI valid, 2 have no ROA.	24/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 63 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

HTML

<a href="https://ip-fd.net/asn/24349"><img src="https://ip-fd.net/badge/asn/24349/health.svg" alt="AS24349 network health on IP-FD.net"></a>

Markdown

[![AS24349 network health](https://ip-fd.net/badge/asn/24349/health.svg)](https://ip-fd.net/asn/24349)

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

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

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.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/24349

const res = await fetch('https://ip-fd.net/api/v1/asn/24349', {
  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/24349', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/24349');
curl_setopt($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/24349", 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.

AS4538	China Education and Research Network Center ERX-CERNET-BKB
AS23910	China Next Generation Internet CERNET2 CNGI-CERNET2-AS-AP