AS63783 Chiba University of Commerce

Japan CUC APNIC 7 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

2,048

IPv6 /48 networks

RPKI

0 valid7 no ROA

Peers and downstreams

Holder

AS name: CUC
Description: Chiba University of Commerce
Organisation: Chiba University of Commerce
Abuse contact: Not published
Assigned: 2014-08-24
Record last changed: 2020-03-06 22:09 UTC

202.244.32.0/21 202.244.32.0/22 202.244.32.0/23 202.244.34.0/23 202.244.36.0/22 202.244.36.0/23 202.244.38.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 30/100

fail	Prefixes covered by valid ROAs 0 of 7 announced prefixes are RPKI valid, 7 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
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 2020-03-06.	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/63783"><img src="https://ip-fd.net/badge/asn/63783/health.svg" alt="AS63783 network health on IP-FD.net"></a>

Markdown

[![AS63783 network health](https://ip-fd.net/badge/asn/63783/health.svg)](https://ip-fd.net/asn/63783)

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:        AS63783
as-name:        CUC
handle:         AS63783
remarks:        Chiba University of Commerce
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical,administrative:JP00189327
last changed:   2020-03-06T22:09:45Z
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/63783

const res = await fetch('https://ip-fd.net/api/v1/asn/63783', {
  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/63783', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/63783');
curl_setopt($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/63783", 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.

AS2500	WIDE Project WIDE-BB
AS2907	Research Organization of Information and Systems, National Institute of Informatics SINET-AS