| Date | IP Address |
| 2025-01-06 | 193.179.222.35 (ClassC) |
| Date | Domain | IP |
| cportal.celnisprava.cz | 2023-08-25 | 13.107.213.70 |
| admin-cportal.celnisprava.cz | 2023-08-25 | 20.93.218.169 |
| app.celnisprava.cz | 2024-10-20 | 193.179.222.36 |
| webchatapi-chatbot.celnisprava.cz | 2024-12-09 | 52.174.56.96 |
| www.celnisprava.cz | 2025-01-06 | 193.179.222.35 |