AS131937 Jcv

Japan JCV APNIC 10 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

33,280

IPv6 /48 networks

131,072

RPKI

12 valid0 no ROA

Peers and downstreams

Holder

AS name: JCV
Description: Joetsu Cable Vision
Organisation: Joetsu Cable Vision
Abuse contact: Not published
Assigned: 2011-08-03
Record last changed: 2018-07-25 22:59 UTC

103.118.92.0/22 103.152.66.0/23 126.251.0.0/19 126.251.112.0/21 126.251.128.0/20 126.251.144.0/20 126.251.32.0/21 170.249.64.0/21 170.249.96.0/19 202.223.12.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100

pass	Prefixes covered by valid ROAs 12 of 12 announced prefixes are RPKI valid.	25/25
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 4 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 2018-07-25.	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/131937"><img src="https://ip-fd.net/badge/asn/131937/health.svg" alt="AS131937 network health on IP-FD.net"></a>

Markdown

[![AS131937 network health](https://ip-fd.net/badge/asn/131937/health.svg)](https://ip-fd.net/asn/131937)

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:        AS131937
as-name:        JCV
handle:         AS131937
remarks:        Joetsu Cable Vision
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical,administrative:JP00164408
last changed:   2018-07-25T22:59:26Z
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/131937

const res = await fetch('https://ip-fd.net/api/v1/asn/131937', {
  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/131937', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/131937');
curl_setopt($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/131937", 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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