| Date | IP Address |
| 2021-05-11 | 54.248.9.83 (ClassC) |
| 2021-06-15 | 52.194.71.137 (ClassC) |
| 2021-10-11 | 52.69.88.234 (ClassC) |
| 2023-10-26 | 35.74.6.131 (ClassC) |
| 2023-10-26 | 54.249.197.151 (ClassC) |
| 2024-09-20 | 52.196.153.182 (ClassC) |
| 2024-11-30 | 3.113.237.109 (ClassC) |
| 2025-02-04 | 18.179.154.44 (ClassC) |
| 2025-03-26 | 52.69.37.45 (ClassC) |
| 2025-04-05 | 57.181.145.96 (ClassC) |
| 2025-05-30 | 52.197.83.242 (ClassC) |
| 2025-07-01 | 3.115.118.105 (ClassC) |
| 2025-07-23 | 57.182.169.60 (ClassC) |
| 2025-09-09 | 52.195.130.165 (ClassC) |
| 2026-01-26 | 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 |