Japan ASN Summary & Japan IP addresses
Full list of Japan IP ranges
This Japan IP list includes all Japan ASNs assigned, and the complete list of Japan IP addresses list by IP ranges.
268 ASN Networks
| ASN | Description | IPv4 Prefixes | IPv6 Prefixes | IPv4 Peers | IPv6 Peers | Date Allocated |
|---|---|---|---|---|---|---|
| AS2907 | for assignment to JPNIC members |
623 | 2 | 101 | 52 | 2002-08-01 |
| AS10233 | Internet Initiative Japan, Inc. |
2 | 1 | 1 | 0 | 2024-02-21 |
| AS17977 | NF Park Bldg.3F, 9-15, Futaba 2-Chome |
2 | 0 | 1 | 0 | 2001-10-17 |
| AS18383 | CAHI Corporation, |
1 | 0 | 1 | 0 | 2002-10-17 |
| AS23720 | Rakuten Mobile Network, Inc. |
3 | 1 | 1 | 1 | 2003-04-16 |
| AS23748 | Cat Networks K.K. |
0 | 1 | 0 | 8 | 2018-03-14 |
| AS23761 | Xpedite Systems |
1 | 0 | 2 | 0 | 2003-06-02 |
| AS23885 | Oracle Corporation |
5 | 2 | 1 | 0 | 2003-08-23 |
| AS38462 | Osaki Computer Engineering Co.Ltd |
6 | 1 | 3 | 2 | 2007-02-23 |
| AS54415 | WIZ K.K. |
6 | 6 | 9 | 12 | 2012-02-15 |
| AS55949 | Technopro Holdings |
1 | 0 | 1 | 0 | 2010-12-23 |
| AS58645 | Miyagi Cable TV Co.,Ltd |
1 | 1 | 3 | 1 | 2012-07-13 |
| AS58784 | Rissho University |
3 | 0 | 2 | 0 | 2012-12-27 |
| AS59091 | Kanagawa Institute of Technology |
1 | 0 | 2 | 0 | 2013-09-09 |
| AS59118 | NRI SecureTechnologies, Ltd. |
4 | 0 | 2 | 0 | 2013-09-09 |
| AS63770 | Industrial Cyber Security Center of Excellence |
9 | 4 | 3 | 2 | 2014-08-25 |
| AS131893 | RICOH Company, Ltd. |
22 | 4 | 1 | 0 | 2011-08-04 |
| AS132211 | FX Corporate LLC |
1 | 0 | 2 | 0 | 2012-03-20 |
| AS138652 | Super Godzilla Communications GK |
1 | 1 | 1 | 0 | 2019-02-26 |
| AS138968 | rainbow network limited |
77 | 2 | 7 | 2 | 2019-04-04 |
| AS138986 | INAP Japan Tokyo Shiohama DC |
0 | 1 | 0 | 1 | 2019-04-11 |
| AS139472 | Catalina Marketing Japan K.K. |
1 | 0 | 2 | 0 | 2023-09-05 |
| AS142165 | Bosch Corporation |
1 | 1 | 2 | 2 | 2024-08-30 |
| AS147035 | Ching Kuo |
1 | 1 | 1 | 0 | 2021-09-15 |
| AS152184 | Tamukai Network |
0 | 9 | 0 | 4 | 2023-12-18 |
| AS152645 | Flextech Inc. |
2 | 0 | 2 | 0 | 2024-03-13 |
| AS210542 | G-net |
9 | 0 | 4 | 0 | 2021-11-03 |
| AS213471 | YAMAMOTO Hiroshi |
0 | 1 | 0 | 1 | 2025-02-04 |
| AS214430 | Takahiro Fukushima |
0 | 7 | 0 | 2 | 2024-08-01 |
| AS215871 | xTom Japan Corporation |
0 | 1 | 0 | 1 | 2023-12-08 |
| AS9466 | UUNET Japan Limited |
22 | 2 | 2 | 1 | 1998-12-11 |
| AS9591 | National Institute for Fusion Science |
2 | 0 | 2 | 0 | 1999-08-05 |
| AS18259 | NTT Communications Corporation |
6 | 2 | 3 | 2 | 2002-07-01 |
| AS23661 | CLARA, Inc. |
12 | 1 | 4 | 4 | 2003-03-04 |
| AS23967 | Produce On Demand Inc. Streaming Contents Delivery Service Tokyo |
7 | 0 | 1 | 0 | 2003-12-02 |
| AS24229 | for assignment to JPNIC members |
4 | 1 | 4 | 2 | 2004-09-23 |
| AS24336 | DIGITALBANK, Inc., Regional ISP in Japan |
13 | 0 | 1 | 0 | 2005-02-10 |
| AS59349 | GMO-Z.COM PTE. LTD. |
5 | 1 | 2 | 0 | 2014-04-24 |
| AS132827 | GATEWAY INC |
48 | 0 | 2 | 0 | 2013-05-13 |
| AS133900 | Gilead Sciences, Inc. |
3 | 0 | 3 | 0 | 2014-12-22 |
| AS136796 | CORELINK JAPAN |
17 | 5 | 2 | 0 | 2018-11-11 |
| AS138384 | Rakuten Mobile Network, Inc. |
31 | 1 | 7 | 7 | 2018-10-26 |
| AS139076 | EnjoyVC Japan Corporation |
10 | 1 | 14 | 4 | 2019-05-21 |
| AS149428 | Code200, UAB |
12 | 2 | 2 | 1 | 2022-01-10 |
| AS150296 | 1NextNet |
0 | 2 | 0 | 1 | 2022-09-02 |
| AS150685 | Ching Kuo |
1 | 1 | 1 | 0 | 2022-12-15 |
| AS151350 | Q Enterprise Systems Ltd. |
1 | 1 | 1 | 0 | 2023-05-23 |
| AS151371 | PAINA Information Development |
1 | 1 | 2 | 1 | 2023-06-05 |
| AS213164 | Watakushi |
0 | 1 | 0 | 2 | 2022-10-05 |