AS54415 WIZ K.K.

WIZ-JP-AS-AP - WIZ K.K. · registered in Japan

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Japan#494largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#26,160of 79,396 networks with IPv4

IPv67 x /483 prefixes

CountryJapan745 ASNs registered there

Open AS54415 in ASN lookup Look up an IP in this network (103.99.168.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

103.99.168.0/22
209.146.50.0/23

IPv6 prefixes

All 3 prefixes.

2401:b140::/46
2401:b140:4::/47
2401:b140:6::/48

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS212259#491 ASTRIX-EU Astrix Co., Ltd.1,536

AS7527#492 JPIX - Japan Internet Xing Co., Ltd.1,536

AS139358#493 KANSUIUN-AS-AP - Kansuiun Co., Ltd1,536

AS24257#495 JPIX-64ES - Japan Internet Xing Co., Ltd.1,536

AS63805#496 RIDC-NET - Ryobi Systems Co., Ltd.1,536

AS141757#497 ZJC-AS-AP - Zoho Japan Corporation1,536

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