AS7660 Asia Pacific Advanced Network - Japan

Japan APAN-JP APNIC 2 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

1,024

IPv6 /48 networks

8,448

RPKI

4 valid0 no ROA

Peers and downstreams

Holder

AS name: APAN-JP
Description: Asia Pacific Advanced Network - Japan C/O KDDI GICT INOVG, KDDI otemachi Building 12F, 1-8-1 Otemachi Chiyodaku Tokyo
Organisation: Asia Pacific Advanced Network - Japan
Abuse contact: Not published
Assigned: 1997-11-12
Record last changed: 2009-09-15 20:44 UTC

203.181.194.0/23 203.181.248.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 4 of 4 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 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 2009-09-15.	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/7660"><img src="https://ip-fd.net/badge/asn/7660/health.svg" alt="AS7660 network health on IP-FD.net"></a>

Markdown

[![AS7660 network health](https://ip-fd.net/badge/asn/7660/health.svg)](https://ip-fd.net/asn/7660)

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

Routing changes

Last 30 days

2026-10-04 05:01 UTC	Neighbour gone	AS141682	downstream
2026-10-04 05:01 UTC	Neighbour gone	AS38254	peer
2026-10-04 05:01 UTC	Neighbour gone	AS24490	downstream
2026-10-04 05:01 UTC	Neighbour gone	AS9355	downstream
2026-10-04 05:01 UTC	Relationship changed	AS6939	upstream to peer
2026-10-04 05:01 UTC	Relationship changed	AS2516	downstream to upstream

WHOIS

aut-num:        AS7660
as-name:        APAN-JP
handle:         AS7660
remarks:        Asia Pacific Advanced Network - Japan
administrative: SG001JP
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical:      JP00037726
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical:      AK003JP
technical:      KK007JP
last changed:   2009-09-15T20:44:15Z
source:         APNIC (RDAP)

Routing data

Updated 15 h ago

Registry record

Fetched 15 h ago 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/7660

const res = await fetch('https://ip-fd.net/api/v1/asn/7660', {
  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/7660', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/7660');
curl_setopt($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/7660", 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.

AS2500	WIDE Project WIDE-BB
AS2516	KDDI CORPORATION KDDI
AS23855	Singapore Advanced Research and Education Network SINGAREN-GIX-AS-AP

AS2500	WIDE Project WIDE-BB
AS2907	Research Organization of Information and Systems, National Institute of Informatics SINET-AS
AS4538	China Education and Research Network Center ERX-CERNET-BKB
AS7497	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) CSTNET-AS-AP
AS9264	Net ASNet
AS9270	Apan-Kr-As-Kr APAN-KR-AS-KR
AS9821	Department of Science and Technology DOST-PH-AP
AS11537	Internet2 INTERNET2-RESEARCH-EDU
AS17579	KISTI KREONET2-AS-KR-KR
AS18125	Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat, Ministry of Agriculture, Forestry and Fisheries MAFFIN
AS23855	Singapore Advanced Research and Education Network SINGAREN-GIX-AS-AP
AS23911	China Next Generation Internet Beijing IX CNGI-BJIX-AS-AP
AS24287	National Institute of Informatics TEIN2-JP
AS24475	ThaiREN.Thailand Research and Education Network Thailand THAIREN-TRANSIT-AS-AP
AS137207	Joint Universities Computer Centre Limited JUCC-AS-AP

AS1828	Unitas Global UNITAS
AS2907	Research Organization of Information and Systems, National Institute of Informatics SINET-AS
AS4777	Asia Pacific Network Information Centre APNIC-COLO
AS6939	Hurricane Electric LLC HURRICANE
AS9270	Apan-Kr-As-Kr APAN-KR-AS-KR
AS11537	Internet2 INTERNET2-RESEARCH-EDU
AS24287	National Institute of Informatics TEIN2-JP
AS24482	SG.GS SGGS-AS-AP
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS49544	i3D.net B.V i3Dnet
AS59105	Home NOC Operators Group HOMENOC