| Property | Value |
| Name | Yuzi Tsutani |
| Organization | VOLTAGE Inc. |
| sys_net@voltage.co.jp | |
| Zip Code | 150-6027 |
| City | Shibuya-ku |
| State | Tokyo |
| Country | JP |
| Phone | +81.354758145 |
| Fax | +81.354758142 |
| NameServer | ns2.dns53.jp |
| Created | 2006-07-18 00:00:00 |
| Changed | 2016-04-04 00:00:00 |
| Expires | 2017-07-18 00:00:00 |
| Registrar | GMO INTERNET, INC. D |
| Date | IP Address |
| 2025-08-04 | 210.152.117.131 (ClassC) |
| Date | Domain | IP |
| hykoi-support.src.koi-game.com | 2024-12-18 | 13.224.14.94 |
| chkai.en.ggl.koi-game.com | 2018-11-21 | 13.33.155.124 |
| koiir.en.ggl.koi-game.com | 2014-04-23 | 216.156.225.9 |
| chkai.en.v2.app.koi-game.com | 2015-01-04 | 157.238.74.208 |
| ouji.tr.en.v2.app.koi-game.com | 2014-05-30 | 23.63.227.161 |
| tokso.en.app.koi-game.com | 2014-12-06 | 165.254.206.244 |
| koiir.en.app.koi-game.com | 2015-01-30 | 128.177.96.75 |
| adv.kks.koi-game.com | 2025-03-31 | 18.172.170.51 |
| adv.koi-game.com | 2024-10-28 | 99.84.66.38 |
| 2ldk.en.app.dev.koi-game.com | 2018-05-18 | 14.128.25.59 |