AS63802 Nippon Telegraph and Telephone East Corporation

Japan FLETS APNIC 17 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

131,072

IPv6 /48 networks

RPKI

0 valid17 no ROA

Peers and downstreams

Holder

AS name: FLETS
Description: NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-8019, Japan
Organisation: Nippon Telegraph and Telephone East Corporation
Abuse contact: Not published
Assigned: 2014-08-24
Record last changed: 2023-05-24 18:25 UTC

133.131.0.0/16 133.131.10.0/24 133.131.11.0/24 133.131.12.0/24 133.131.13.0/24 133.131.14.0/24 133.131.15.0/24 133.131.16.0/24 133.131.17.0/24 133.131.18.0/24 133.131.19.0/24 133.131.20.0/24 133.131.6.0/24 133.131.7.0/24 133.131.8.0/24 133.131.9.0/24 133.132.0.0/16

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 17 announced prefixes are RPKI valid, 17 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
pass	More than one upstream 3 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 2023-05-24.	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/63802"><img src="https://ip-fd.net/badge/asn/63802/health.svg" alt="AS63802 network health on IP-FD.net"></a>

Markdown

[![AS63802 network health](https://ip-fd.net/badge/asn/63802/health.svg)](https://ip-fd.net/asn/63802)

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

Routing changes

Last 30 days

2026-10-04 10:10 UTC	Neighbour gone	AS9370	upstream
2026-10-04 10:10 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 10:10 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 10:10 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 10:10 UTC	New neighbour	AS17686	peer

WHOIS

aut-num:        AS63802
as-name:        MIKAKA-EAST
handle:         AS63802
remarks:        Nippon Telegraph and Telephone East Corporation
administrative,technical:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
administrative,technical:JP00243675
last changed:   2023-05-24T18:25:55Z
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/63802

const res = await fetch('https://ip-fd.net/api/v1/asn/63802', {
  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/63802', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/63802');
curl_setopt($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/63802", 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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