AS4690 WIDE Project

WIDE-SFO - WIDE Project · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#647largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#60,183of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS4690 in ASN lookup Look up an IP in this network (202.0.73.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

202.0.73.0/24

IPv6 prefixes

All 1 prefix.

2001:200:e00::/40

Other ASNs named WIDE Project

4 other networks use the same organisation name; together with AS4690 they announce 67,072 IPv4 addresses.

ASNNameIPv4 addresses

AS2500WIDE-BB - WIDE Project JP65,536

AS7500M-ROOT-DNS - WIDE Project JP1,024

AS23634E-DNS-JP - WIDE Project JP256

AS4717AI3 - WIDE Project JPIPv6 only

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS63795#644 ROUTEL - RoutelNet256

AS152867#645 TCNET - Takaoka cable network256

AS152184#646 TAMUKAINET-AS-AP - Tamukai Network256

AS131951#648 SSC - Suzuyo Shinwart Corporation256

AS146986#649 SSC-3 - SUZUYO SHINWART CORPORATION256

AS63800#650 SERVER-G - SERVER-G Group256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources