| Date | IP Address |
| 2025-03-29 | 23.63.73.50 (ClassC) |
| 2026-02-02 | 23.41.4.80 (ClassC) |
| Date | Domain | IP |
| www.mokuken.mitsuihome.co.jp | 2025-06-04 | 23.41.4.80 |
| webproduct.mitsuihome.co.jp | 2025-02-10 | 23.41.4.80 |
| dev.webproduct.mitsuihome.co.jp | 2026-02-02 | 23.41.4.80 |
| www.mitsuihome.co.jp | 2025-05-18 | 23.41.4.74 |
| test.www.mitsuihome.co.jp | 2025-12-02 | 23.41.4.80 |