| Date | IP Address |
| 2021-01-09 | 99.84.214.110 (ClassC) |
| 2021-01-09 | 99.84.214.33 (ClassC) |
| 2021-01-13 | 13.249.21.46 (ClassC) |
| 2021-01-13 | 13.249.21.83 (ClassC) |
| 2021-04-06 | 65.9.73.96 (ClassC) |
| 2021-04-06 | 65.9.73.29 (ClassC) |
| 2024-03-28 | 3.163.189.30 (ClassC) |
| 2024-11-24 | 99.84.66.50 (ClassC) |
| 2025-01-20 | 99.84.66.68 (ClassC) |
| 2025-03-09 | 99.84.66.10 (ClassC) |
| 2025-04-29 | 99.84.66.54 (ClassC) |
| Date | Domain | IP |
| serverside.randstadresearch.es | 2025-03-15 | 35.190.94.232 |
| www.randstadresearch.es | 2024-04-01 | 99.84.66.54 |