AS55904 KOGAKUIN University

Japan KOGAKUIN-AS APNIC 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

65,536

IPv6 /48 networks

RPKI

0 valid4 no ROA

Peers and downstreams

Holder

AS name: KOGAKUIN-AS
Description: KOGAKUIN University
Organisation: KOGAKUIN University
Abuse contact: Not published
Assigned: 2010-11-28
Record last changed: 2012-02-29 18:55 UTC

133.80.0.0/16 133.80.0.0/17 133.80.128.0/17

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 4 announced prefixes are RPKI valid, 4 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
fail	Registry record maintained Last changed 2012-02-29.	0/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/55904"><img src="https://ip-fd.net/badge/asn/55904/health.svg" alt="AS55904 network health on IP-FD.net"></a>

Markdown

[![AS55904 network health](https://ip-fd.net/badge/asn/55904/health.svg)](https://ip-fd.net/asn/55904)

Use rpki.svg instead of health.svg for the RPKI badge.

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:        AS55904
as-name:        KOGAKUIN-AS
handle:         AS55904
remarks:        KOGAKUIN University
technical,administrative:JP00056122
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
last changed:   2012-02-29T18:55:09Z
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/55904

const res = await fetch('https://ip-fd.net/api/v1/asn/55904', {
  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/55904', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/55904');
curl_setopt($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/55904", 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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AS2497	Internet Initiative Japan Inc. IIJ
AS2907	Research Organization of Information and Systems, National Institute of Informatics SINET-AS