| Date | IP Address |
| 2024-08-25 | 142.251.39.115 (ClassC) |
| 2025-10-27 | 142.251.34.211 (ClassC) |
| 2025-12-27 | 142.251.33.83 (ClassC) |
| 2026-02-03 | 142.250.73.147 (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 |
| cbu.riipen.com | 2026-01-11 | 15.156.175.67 |
| edu.riipen.com | 2025-12-01 | 3.5.254.203 |
| www.riipen.com | 2024-11-24 | 52.42.122.102 |