AS133465 Duke Kunshan University

China DKU-AS-AP APNIC 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

1,280

IPv6 /48 networks

RPKI

1 valid2 no ROA

Peers and downstreams

Holder

AS name: DKU-AS-AP
Description: Duke Kunshan University 1699 Zuchongzhi Road Kunshan, Jiangsu, China
Organisation: Duke Kunshan University
Abuse contact: Not published
Assigned: 2014-04-28
Registered: 2014-04-29
Record last changed: 2020-11-10 13:11 UTC

103.252.172.0/22 180.208.59.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 68/100

partly	Prefixes covered by valid ROAs 1 of 3 announced prefixes are RPKI valid, 2 have no ROA.	8/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact yassir.bougassa@duke.edu 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
fail	Registry record maintained Last changed 2020-11-10.	0/5

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/133465"><img src="https://ip-fd.net/badge/asn/133465/health.svg" alt="AS133465 network health on IP-FD.net"></a>

Markdown

[![AS133465 network health](https://ip-fd.net/badge/asn/133465/health.svg)](https://ip-fd.net/asn/133465)

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

Routing changes

Last 30 days

2026-10-04 12:28 UTC

New prefix

2001:df5:7800::/48

WHOIS

aut-num:        AS133465
as-name:        DKU-AS-AP
handle:         AS133465
remarks:        Duke Kunshan University
remarks:        1699 Zuchongzhi Road
remarks:        Kunshan, Jiangsu, China
registrant:     ORG-DKU1-AP (Duke Kunshan University) <richard.biever@duke.edu>
abuse:          IRT-DKU-CN (IRT-DKU-CN) <yassir.bougassa@duke.edu>
technical,administrative:DKUA1-AP (Duke Kunshan University administrator) <richard.biever@duke.edu>
registration:   2014-04-29T04:00:37Z
last changed:   2020-11-10T13:11:02Z
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/133465

const res = await fetch('https://ip-fd.net/api/v1/asn/133465', {
  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/133465', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/133465');
curl_setopt($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/133465", 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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