| Rank | AS number | Organization | IPv4 addresses |
|---|---|---|---|
| 701 | AS152724 | Point72 Japan Limited 202.49.248.0/24 |
256 |
| 702 | AS152859 | UNIADEX, LTD. 157.101.223.0/24 |
256 |
| 703 | AS152867 | Takaoka cable network 103.211.74.0/24 |
256 |
| 704 | AS152869 | ICJ, Inc. 163.61.46.0/24 |
256 |
| 705 | AS152870 | Incorporated Educational Institution Kaichigakuen 165.101.8.0/24 |
256 |
| 706 | AS152874 | JONET 138.252.25.0/24 |
256 |
| 707 | AS154090 | FinStadiumX Co., Ltd. 198.56.20.0/24 |
256 |
| 708 | AS154936 | TAIPEI101 NETWORK LLC 163.52.212.0/24 |
256 |
Autonomous Systems (AS) in Japan
AS numbers assigned in Japan (JP), ranked by the number of IPv4 addresses mapped to each AS. Organization names are shown as registered.
Data as of: 2026-10-12
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.