| Date | IP Address |
| 2024-09-28 | 54.64.138.82 (ClassC) |
| 2025-03-26 | 52.69.37.45 (ClassC) |
| 2025-09-08 | 52.195.130.165 (ClassC) |
| 2025-11-27 | 3.112.187.155 (ClassC) |
| 2026-01-21 | 35.74.159.47 (ClassC) |
| Date | Domain | IP |
| m.riumm.co.jp | 2025-06-22 | 52.199.118.24 |
| www.riumm.co.jp | 2025-09-08 | 52.195.130.165 |