| Date | IP Address |
| 2014-01-24 | 204.75.127.222 (ClassC) |
| 2019-10-16 | 104.16.107.59 (ClassC) |
| 2019-10-16 | 104.16.108.59 (ClassC) |
| 2019-11-13 | 104.18.0.161 (ClassC) |
| 2019-11-13 | 104.18.1.161 (ClassC) |
| 2024-11-05 | 65.8.243.17 (ClassC) |
| 2024-11-05 | 65.8.243.3 (ClassC) |
| 2024-11-05 | 65.8.243.35 (ClassC) |
| 2024-11-05 | 65.8.243.96 (ClassC) |
| 2024-11-05 | 3.162.125.47 (ClassC) |
| 2025-03-05 | 18.238.217.98 (ClassC) |
| 2025-04-25 | 204.246.191.33 (ClassC) |
| 2025-05-26 | 18.160.213.40 (ClassC) |
| 2025-05-26 | 18.160.213.42 (ClassC) |
| 2025-05-26 | 18.160.213.43 (ClassC) |
| 2025-05-26 | 18.160.213.92 (ClassC) |
| 2025-10-14 | 18.161.6.106 (ClassC) |
| 2025-12-04 | 18.161.6.4 (ClassC) |
| Date | Domain | IP |
| collect.roberthalf.ch | 2025-04-25 | 35.71.143.211 |
| www.roberthalf.ch | 2025-03-05 | 18.238.217.98 |