AS131923 MCAT Ltd.

Japan MCAT APNIC 10 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

22,528

IPv6 /48 networks

65,536

RPKI

11 valid0 no ROA

Peers and downstreams

Holder

AS name: MCAT
Description: MCAT Ltd.
Organisation: MCAT Ltd.
Abuse contact: Not published
Assigned: 2011-08-03
Record last changed: 2023-04-10 19:34 UTC

103.95.104.0/22 120.50.192.0/20 133.247.136.0/21 133.247.240.0/20 133.88.87.0/24 133.88.88.0/22 133.88.92.0/23 133.88.94.0/24 218.45.64.0/19 219.100.156.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100

pass	Prefixes covered by valid ROAs 11 of 11 announced prefixes are RPKI valid.	25/25
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 3 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 2023-04-10.	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/131923"><img src="https://ip-fd.net/badge/asn/131923/health.svg" alt="AS131923 network health on IP-FD.net"></a>

Markdown

[![AS131923 network health](https://ip-fd.net/badge/asn/131923/health.svg)](https://ip-fd.net/asn/131923)

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:        AS131923
as-name:        MCAT
handle:         AS131923
remarks:        MCAT Ltd.
technical,administrative:JP00148370
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
last changed:   2023-04-10T19:34:21Z
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/131923

const res = await fetch('https://ip-fd.net/api/v1/asn/131923', {
  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/131923', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/131923');
curl_setopt($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/131923", 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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