| Date | IP Address |
| 2024-06-04 | 104.18.33.150 (ClassC) |
| 2024-06-15 | 172.64.154.106 (ClassC) |
| 2024-08-02 | 104.18.22.53 (ClassC) |
| 2024-08-09 | 104.18.23.53 (ClassC) |
| 2025-04-26 | 104.18.43.8 (ClassC) |
| 2025-04-30 | 172.64.144.248 (ClassC) |
| Date | Domain | IP |
| www.riumachi.jp | 2015-04-18 | 54.230.33.17 |