AS9916 National Yang Ming Chiao Tung University

Taiwan NCTU-TW APNIC 9 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

93,696

IPv6 /48 networks

65,536

RPKI

10 valid0 no ROA

Peers and downstreams

Holder

AS name: NCTU-TW
Description: National Yang Ming Chiao Tung University Hsinchu, Taiwan
Organisation: National Yang Ming Chiao Tung University
Abuse contact: Not published
Assigned: 2000-03-27
Registered: 2008-09-04
Record last changed: 2025-11-06 09:07 UTC

120.126.32.0/19 120.126.64.0/19 120.126.96.0/20 140.113.0.0/16 140.129.51.0/24 140.129.52.0/22 140.129.56.0/21 140.129.64.0/20 140.129.80.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 10 of 10 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact noc@mail.moe.gov.tw 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 2025-11-06.	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/9916"><img src="https://ip-fd.net/badge/asn/9916/health.svg" alt="AS9916 network health on IP-FD.net"></a>

Markdown

[![AS9916 network health](https://ip-fd.net/badge/asn/9916/health.svg)](https://ip-fd.net/asn/9916)

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

Routing changes

Last 30 days

2026-10-03 20:56 UTC	Relationship changed	AS4780	upstream to peer
2026-10-03 20:56 UTC	Relationship changed	AS3462	upstream to peer

WHOIS

aut-num:        AS9916
as-name:        NCTU-TW
handle:         AS9916
remarks:        National Yang Ming Chiao Tung University
remarks:        Hsinchu, Taiwan
abuse:          IRT-TANET-TW (IRT-TANET-TW) <noc@mail.moe.gov.tw>
administrative: LTC10-AP (Liu Ta Chun) <ltc@cc.nctu.edu.tw>
technical:      CCS8-AP (Chen Chang Sheng) <cschen@cc.nctu.edu.tw>
registration:   2008-09-04T06:40:29Z
last changed:   2025-11-06T09:07:13Z
source:         APNIC (RDAP)

Routing data

Updated 2 days ago

Registry record

Fetched 2 days ago 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/9916

const res = await fetch('https://ip-fd.net/api/v1/asn/9916', {
  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/9916', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/9916');
curl_setopt($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/9916", 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))

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