AS23634 WIDE Project

E-DNS-JP - WIDE Project · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#642largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#59,911of 79,396 networks with IPv4

IPv68,192 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS23634 in ASN lookup Look up an IP in this network (192.50.43.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

192.50.43.0/24

IPv6 prefixes

All 1 prefix.

2001:200:c000::/35

Other ASNs named WIDE Project

4 other networks use the same organisation name; together with AS23634 they announce 67,072 IPv4 addresses.

ASNNameIPv4 addresses

AS2500WIDE-BB - WIDE Project JP65,536

AS7500M-ROOT-DNS - WIDE Project JP1,024

AS4690WIDE-SFO - WIDE Project JP256

AS4717AI3 - WIDE Project JPIPv6 only

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS138652#639 SGCOM-AS-AP - Super Godzilla Communications GK256

AS146984#640 JPNAP-EAST - INTERNET MULTIFEED CO.256

AS63780#641 BIRDIE-NET - dual&Co. Inc.256

AS214675#643 Starlamp Hidenori Matsuo256

AS63795#644 ROUTEL - RoutelNet256

AS152867#645 TCNET - Takaoka cable network256

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