| Date | IP Address |
| 2013-12-11 | 96.45.82.133 (ClassC) |
| 2021-11-27 | 216.71.149.28 (ClassC) |
| 2021-11-27 | 216.71.155.194 (ClassC) |
| 2025-04-21 | 96.45.82.219 (ClassC) |
| 2025-10-04 | 96.45.83.39 (ClassC) |
| 2025-12-21 | 96.45.83.151 (ClassC) |
| 2026-03-07 | 96.45.82.75 (ClassC) |
| Date | Domain | IP |
| training.rinchem.com | 2024-11-25 | 34.236.11.187 |
| mail.rinchem.com | 2025-05-17 | 63.225.12.10 |
| www.rinchem.com | 2025-09-14 | 34.74.0.236 |