| Date | IP Address |
| 2019-06-27 | 15.188.2.164 (ClassC) |
| 2019-11-23 | 35.180.219.226 (ClassC) |
| 2020-07-25 | 35.181.75.177 (ClassC) |
| 2021-02-09 | 13.36.51.153 (ClassC) |
| 2021-05-05 | 15.236.168.46 (ClassC) |
| 2026-03-08 | 158.64.1.63 (ClassC) |
| Date | Domain | IP |
| www.worldskills.lu | 2026-03-06 | 158.64.1.63 |