AS18072 NTT DOCOMO BUSINESS, Inc.

Japan STREAMWING APNIC 5 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

1,280

IPv6 /48 networks

RPKI

0 valid5 no ROA

Peers and downstreams

Holder

AS name: STREAMWING
Description: NTT DOCOMO BUSINESS, Inc. 29th Fl. OTEMACHI PLACE WEST TOWER, 2-3-1, Otemachi, Chiyoda-ku, Tokyo 100-8019, Japan
Organisation: NTT DOCOMO BUSINESS, Inc.
Abuse contact: Not published
Assigned: 2001-12-26
Record last changed: 2025-12-04 22:32 UTC

219.101.48.0/24 219.101.49.0/24 219.101.50.0/24 219.101.51.0/24 219.101.63.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 5 announced prefixes are RPKI valid, 5 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
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
pass	Registry record maintained Last changed 2025-12-04.	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/18072"><img src="https://ip-fd.net/badge/asn/18072/health.svg" alt="AS18072 network health on IP-FD.net"></a>

Markdown

[![AS18072 network health](https://ip-fd.net/badge/asn/18072/health.svg)](https://ip-fd.net/asn/18072)

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:        AS18072
as-name:        STREAMWING
handle:         AS18072
remarks:        NTT DOCOMO BUSINESS, Inc.
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical,administrative:JP00215062
last changed:   2025-12-04T22:32:23Z
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/18072

const res = await fetch('https://ip-fd.net/api/v1/asn/18072', {
  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/18072', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/18072');
curl_setopt($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/18072", 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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