| Date | IP Address |
| 2013-12-30 | 81.95.110.14 (ClassC) |
| 2019-11-05 | 178.238.34.68 (ClassC) |
| 2021-06-02 | 40.114.196.167 (ClassC) |
| 2026-02-26 | 40.68.150.206 (ClassC) |
| Date | Domain | IP |
| qas0.sc2.eon.cz | 2024-11-25 | 40.119.131.74 |
| qas.sc2.eon.cz | 2024-11-25 | 20.160.25.63 |
| energie24.eon.cz | 2025-12-30 | 52.142.237.198 |
| mpud.eon.cz | 2025-12-31 | 52.178.103.32 |
| api.eon.cz | 2025-09-09 | 52.142.237.198 |
| flexiit-maintenance-test.eon.cz | 2025-12-30 | 40.114.145.18 |
| xenergie-dev.eon.cz | 2024-03-23 | 20.71.113.56 |
| www.eon.cz | 2024-03-18 | 20.50.2.35 |