AS23783 Cable Networks Akita Co.,ltd.

Japan CNA APNIC 19 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

50,944

IPv6 /48 networks

65,536

RPKI

18 valid3 no ROA

Peers and downstreams

Holder

AS name: CNA
Description: Cable Networks Akita Co.,Ltd. 1-1-3,Yabase-Minami,Akita-City,Akita 010-0976 Japan
Organisation: Cable Networks Akita Co.,ltd.
Abuse contact: Not published
Assigned: 2003-06-15
Record last changed: 2026-01-28 06:50 UTC

103.54.204.0/22 193.116.32.0/19 193.116.32.0/20 202.236.116.0/24 202.240.66.0/23 203.179.244.0/23 203.179.248.0/23 203.179.252.0/22 210.143.122.0/23 218.185.128.0/19 219.124.100.0/22 219.124.104.0/21 219.124.98.0/23 27.110.112.0/21 27.110.96.0/20 61.11.128.0/19 61.11.160.0/20 61.11.176.0/20 61.11.192.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 86/100

partly	Prefixes covered by valid ROAs 18 of 21 announced prefixes are RPKI valid, 3 have no ROA.	21/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
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
pass	Registry record maintained Last changed 2026-01-28.	5/5

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/23783"><img src="https://ip-fd.net/badge/asn/23783/health.svg" alt="AS23783 network health on IP-FD.net"></a>

Markdown

[![AS23783 network health](https://ip-fd.net/badge/asn/23783/health.svg)](https://ip-fd.net/asn/23783)

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

Routing changes

Last 30 days

2026-10-04 10:55 UTC	Relationship changed	AS9304	upstream to peer
2026-10-04 10:55 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 10:55 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 10:55 UTC	Relationship changed	AS24482	upstream to peer
2026-10-04 10:55 UTC	Relationship changed	AS20485	upstream to peer

WHOIS

aut-num:        AS23783
as-name:        CNA
handle:         AS23783
remarks:        Cable Networks Akita Co.,ltd.
technical,administrative:JP00129211
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:   2026-01-28T06:50:07Z
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/23783

const res = await fetch('https://ip-fd.net/api/v1/asn/23783', {
  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/23783', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/23783');
curl_setopt($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/23783", 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.

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