| Date | IP Address |
| 2023-10-19 | 16.12.5.16 (ClassC) |
| 2023-10-19 | 16.12.5.88 (ClassC) |
| 2023-10-19 | 52.95.146.208 (ClassC) |
| 2025-12-01 | 3.5.254.203 (ClassC) |
| Date | Domain | IP |
| c.riipen.com | 2023-12-19 | 54.237.159.171 |
| app.staging.riipen.com | 2024-08-01 | 3.98.81.228 |
| developer.staging.riipen.com | 2024-10-01 | 204.246.191.61 |
| ep.riipen.com | 2025-10-27 | 142.251.34.211 |
| app.riipen.com | 2023-12-29 | 3.98.232.32 |
| developer.riipen.com | 2024-02-21 | 99.84.66.128 |
| edu.riipen.com | 2025-12-01 | 3.5.254.203 |
| www.riipen.com | 2024-11-24 | 52.42.122.102 |