AS18047 National Tsing-Hua University

Taiwan NTHU-TW APNIC 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

73,728

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: NTHU-TW
Description: National Tsing-Hua University Hsinchu, Taiwan
Organisation: National Tsing-Hua University
Abuse contact: Not published
Assigned: 2001-11-08
Registered: 2008-09-04
Record last changed: 2025-11-06 09:09 UTC

120.127.160.0/19 140.114.0.0/16

Routing changes

Last 30 days

2026-10-04 07:05 UTC	Neighbour gone	AS9264	upstream
2026-10-04 07:05 UTC	Relationship changed	AS7539	upstream to peer

WHOIS

aut-num:        AS18047
as-name:        NTHU-TW
handle:         AS18047
remarks:        National Tsing-Hua University
remarks:        Hsinchu, Taiwan
technical,administrative:SC547-AP (Shin-Ming Chang) <smchang@cc.nthu.edu.tw>
abuse:          IRT-TANET-TW (IRT-TANET-TW) <noc@mail.moe.gov.tw>
registration:   2008-09-04T06:40:32Z
last changed:   2025-11-06T09:09:02Z
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/18047

const res = await fetch('https://ip-fd.net/api/v1/asn/18047', {
  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/18047', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/18047');
curl_setopt($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/18047", 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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