| Date | IP Address |
| 2019-06-02 | 212.96.160.147 (ClassC) |
| 2025-01-22 | 31.15.10.50 (ClassC) |
| Date | Domain | IP |
| skola.janbosko.cz | 2024-08-18 | 185.100.196.79 |
| data.janbosko.cz | 2024-10-29 | 185.100.196.79 |
| ta3-core.janbosko.cz | 2024-10-02 | 185.100.196.79 |
| ta4-core.janbosko.cz | 2024-11-06 | 185.100.196.79 |
| ta5-core.janbosko.cz | 2024-09-30 | 185.100.196.79 |
| server.janbosko.cz | 2024-10-05 | 185.100.196.79 |
| www.janbosko.cz | 2024-10-02 | 185.100.196.79 |
| soutez.janbosko.cz | 2024-11-02 | 185.100.196.79 |