| Date | IP Address |
| 2019-02-12 | 149.126.77.8 (ClassC) |
| 2025-09-02 | 185.11.125.8 (ClassC) |
| 2026-02-20 | 149.126.74.8 (ClassC) |
| Date | Domain | IP |
| web.hays.pl | 2025-09-16 | 45.60.31.111 |
| microsites.hays.pl | 2025-08-16 | 45.60.31.111 |
| webmicrosites.hays.pl | 2025-09-03 | 45.60.31.111 |
| webtestsgmicrosites.hays.pl | 2025-09-04 | 45.60.31.111 |
| moat.hays.pl | 2025-11-30 | 45.60.31.111 |
| timesheet.hays.pl | 2025-09-09 | 51.105.174.199 |
| staging.timesheet.hays.pl | 2025-09-07 | 51.105.174.199 |
| test.timesheet.hays.pl | 2025-10-10 | 51.105.174.199 |
| smart.hays.pl | 2025-09-07 | 45.60.31.111 |
| www.hays.pl | 2025-11-18 | 45.60.31.111 |
| expertsintechnology.hays.pl | 2025-09-08 | 45.60.31.111 |
| www.expertsintechnology.hays.pl | 2025-09-09 | 45.60.31.111 |