AS133405 RETN Co., Ltd.

Japan RETNKK-AS-AP APNIC 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

256

IPv6 /48 networks

RPKI

2 valid0 no ROA

Peers and downstreams

Holder

AS name: RETNKK-AS-AP
Description: RETN Co., Ltd.
Organisation: RETN Co., Ltd.
Abuse contact: Not published
Assigned: 2026-04-12
Registered: 2026-04-13
Record last changed: 2026-04-14 09:15 UTC

163.128.219.0/24

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:        AS133405
as-name:        RETNKK-AS-AP
handle:         AS133405
remarks:        RETN Co., Ltd.
abuse:          IRT-RETNKK-JP (IRT-RETNKK-JP) <peering@retn.net>
registrant:     ORG-RKK1-AP (RETN Co., Ltd.) <peering@retn.net>
technical,administrative:RKKA1-AP (RETN K K administrator) <peering@retn.net>
registration:   2026-04-13T01:48:01Z
last changed:   2026-04-14T09:15:43Z
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/133405

const res = await fetch('https://ip-fd.net/api/v1/asn/133405', {
  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/133405', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/133405');
curl_setopt($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/133405", 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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