AS24253 J-Stream Inc.

Japan J-Stream APNIC 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

2,304

IPv6 /48 networks

65,536

RPKI

2 valid1 no ROA

Peers and downstreams

Holder

AS name: J-Stream
Description: J-Stream Inc. Shiba 256 Square Bldg. 6F, 2-5-6 Shiba, Minato-ku, Tokyo, 105-0014 JAPAN
Organisation: J-Stream Inc.
Abuse contact: Not published
Assigned: 2004-10-18
Record last changed: 2020-09-10 20:29 UTC

103.157.156.0/24 202.79.240.0/21

Routing changes

Last 30 days

2026-10-04 06:51 UTC	Relationship changed	AS9304	upstream to peer
2026-10-04 06:51 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 06:51 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 06:51 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 06:51 UTC	New neighbour	AS20326	peer

WHOIS

aut-num:        AS24253
as-name:        J-Stream
handle:         AS24253
remarks:        J-Stream Inc.
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical:      HI37585JP
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical,administrative:JP00189238
last changed:   2020-09-10T20:29:05Z
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/24253

const res = await fetch('https://ip-fd.net/api/v1/asn/24253', {
  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/24253', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/24253');
curl_setopt($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/24253", 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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