| Property | Value |
| Name | Isao Matsuzaka |
| Organization | Japan 21 Service Inc. |
| jp21s@vesta.ocn.ne.jp | |
| Address | 8-6-19-101 Tokumaru |
| Zip Code | 175-0083 |
| City | Itabashi-ku |
| State | Tokyo |
| Country | JP |
| Phone | +81.353985050 |
| Fax | +81.353985050 |
| NameServer | ns-696.awsdns-23.net |
| Created | 2003-06-06 04:29:00 |
| Changed | 2020-05-22 00:20:33 |
| Registrar | GMO Internet, Inc. d |
| Date | IP Address |
| 2016-01-11 | 54.238.144.145 (ClassC) |
| 2016-01-13 | 54.250.185.74 (ClassC) |
| 2017-07-01 | 54.64.130.121 (ClassC) |
| 2024-09-01 | 99.84.66.63 (ClassC) |
| 2024-11-21 | 99.84.66.46 (ClassC) |
| 2024-12-16 | 18.238.238.40 (ClassC) |
| 2026-01-03 | 18.161.6.117 (ClassC) |
| 2026-03-03 | 18.161.6.59 (ClassC) |