AS4729 Jaerinet

Japan JAERINET APNIC 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

131,072

IPv6 /48 networks

RPKI

0 valid2 no ROA

Peers and downstreams

Holder

AS name: JAERINET
Description: Japan Atomic Energy Agency Funaishikawa 765-1, Tokai-mura, Naka-gun, Ibaraki
Organisation: Japan Atomic Energy Agency
Abuse contact: Not published
Assigned: 1995-08-29
Record last changed: 2025-12-19 20:11 UTC

133.188.0.0/16 133.53.0.0/16

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.

WHOIS

aut-num:        AS4729
as-name:        JAEA
handle:         AS4729
remarks:        Japan Atomic Energy Agency
technical:      IM19500JP
administrative: TS82120JP
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical:      TS90843JP
last changed:   2025-12-19T20:11:02Z
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/4729

const res = await fetch('https://ip-fd.net/api/v1/asn/4729', {
  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/4729', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/4729');
curl_setopt($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/4729", 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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