AS38641 Osaka Sangyo University

Japan OSU-NET APNIC 3 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

65,536

IPv6 /48 networks

RPKI

0 valid3 no ROA

Peers and downstreams

Holder

AS name: OSU-NET
Description: Osaka Sangyo University Nakagaito 3-1-1, Daitoh city, Osaka 574, Japan
Organisation: Osaka Sangyo University
Abuse contact: Not published
Assigned: 2007-08-19
Record last changed: 2026-07-16 03:02 UTC

133.64.0.0/16 133.64.0.0/17 133.64.128.0/17

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:        AS38641
as-name:        LEONET-AS
handle:         AS38641
remarks:        Osaka Sangyo University
technical,administrative:HO038JP
technical:      HO7293JP
technical:      KS93450JP
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
last changed:   2026-07-16T03:02:03Z
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/38641

const res = await fetch('https://ip-fd.net/api/v1/asn/38641', {
  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/38641', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/38641');
curl_setopt($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/38641", 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))

Works without a key at a lower rate. Get a free key.