| Date | IP Address |
| 2022-07-15 | 54.194.4.13 (ClassC) |
| 2024-01-24 | 54.76.220.187 (ClassC) |
| 2024-07-27 | 99.81.236.62 (ClassC) |
| 2025-01-10 | 34.247.238.17 (ClassC) |
| 2025-02-23 | 54.247.32.8 (ClassC) |
| 2025-05-25 | 34.252.141.93 (ClassC) |
| 2025-09-07 | 99.80.35.107 (ClassC) |
| 2025-11-07 | 63.32.251.150 (ClassC) |
| 2026-02-24 | 52.213.144.240 (ClassC) |
| Date | Domain | IP |
| mail.randstadprofessionals.be | 2015-02-16 | 173.194.193.121 |
| www.randstadprofessionals.be | 2025-01-09 | 34.247.238.17 |