AS17937 NIKKEI ADVANCED SYSTEMS INC.

Japan NAS APNIC 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

5,376

IPv6 /48 networks

65,536

RPKI

0 valid4 no ROA

Peers and downstreams

Holder

AS name: NAS
Description: NIKKEI ADVANCED SYSTEMS INC. Minamisuna 5-8-1,Koto-ku,Tokyo136-0076,Japan
Organisation: NIKKEI ADVANCED SYSTEMS INC.
Abuse contact: Not published
Assigned: 2001-09-20
Record last changed: 2010-05-11 19:32 UTC

115.187.92.0/22 202.26.187.0/24 218.216.16.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 4 announced prefixes are RPKI valid, 4 have no ROA.	0/25
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 2 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
fail	Registry record maintained Last changed 2010-05-11.	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/17937"><img src="https://ip-fd.net/badge/asn/17937/health.svg" alt="AS17937 network health on IP-FD.net"></a>

Markdown

[![AS17937 network health](https://ip-fd.net/badge/asn/17937/health.svg)](https://ip-fd.net/asn/17937)

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:        AS17937
as-name:        NDMC
handle:         AS17937
remarks:        NIKKEI ADVANCED SYSTEMS INC.
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
administrative: MK19657JP
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical:      NY1500JP
last changed:   2010-05-11T19:32:03Z
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/17937

const res = await fetch('https://ip-fd.net/api/v1/asn/17937', {
  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/17937', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/17937');
curl_setopt($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/17937", 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.

AS4713	NTT DOCOMO BUSINESS,Inc. OCN
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