AS17936 Cable Television Kani Co.,Inc.

Japan CTK APNIC 5 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

18,432

IPv6 /48 networks

65,536

RPKI

6 valid0 no ROA

Peers and downstreams

Holder

AS name: CTK
Description: Cable Television Kani Co.,Ltd. 1-5,Hiromi,Kani-shi,Gifu 509-0214,Japan
Organisation: Cable Television Kani Co.,Inc.
Abuse contact: Not published
Assigned: 2001-09-20
Record last changed: 2006-02-21 00:05 UTC

125.2.208.0/20 203.104.112.0/20 203.110.224.0/21 218.228.80.0/20 218.40.240.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 80/100

pass	Prefixes covered by valid ROAs 6 of 6 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
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact hostmaster@nic.ad.jp is published.	15/15
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 2006-02-21.	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/17936"><img src="https://ip-fd.net/badge/asn/17936/health.svg" alt="AS17936 network health on IP-FD.net"></a>

Markdown

[![AS17936 network health](https://ip-fd.net/badge/asn/17936/health.svg)](https://ip-fd.net/asn/17936)

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:        AS17936
as-name:        CTK
handle:         AS17936
remarks:        Cable Television Kani Co.,Inc.
technical,administrative:JP00013171
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:   2006-02-21T00:05:04Z
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/17936

const res = await fetch('https://ip-fd.net/api/v1/asn/17936', {
  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/17936', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/17936');
curl_setopt($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/17936", 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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