AS63997 Tsukaeru.net, Web Hosting Company, Japan

TSUKAERUNET - Tsukaeru.net, Web Hosting Company, Japan · registered in Japan

IPv4 addresses13,5688 prefixes · <0.001% of announced IPv4

Rank in Japan#282largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#7,718of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS63997 in ASN lookup Look up an IP in this network (27.112.104.1) All networks in Japan

IPv4 prefixes

All 8 prefixes, in address order.

27.112.104.0/21
45.124.136.0/22
111.68.16.0/21
119.82.24.0/21
121.50.40.0/21
175.45.136.0/21
195.95.180.0/24
203.83.240.0/21

IPv6 prefixes

All 1 prefix.

2400:6b00::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS9604#279 FSI-AS - FUJI SOFT INCORPORATED14,336

AS23808#280 TOSHIMA-NET - TOSHIMA CABLE NETWORK CO.,LTD14,336

AS131931#281 ACTV-NET - Aomori Cable TV Co., Ltd.13,824

AS7677#283 DNP - Dai Nippon Printing Co., Ltd13,568

AS24295#284 AS-PNAPOSK - PacketFabric (Japan) Co., Ltd.13,312

AS38639#285 HANABI - NTT DOCOMO BUSINESS, Inc.13,312

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