| Date | IP Address |
| 2019-10-22 | 54.148.217.210 (ClassC) |
| 2025-09-25 | 3.175.64.73 (ClassC) |
| 2025-10-19 | 18.161.6.86 (ClassC) |
| 2025-11-22 | 18.161.6.51 (ClassC) |
| Date | Domain | IP |
| a1.redirector-test1.roberthalfonline.com | 2020-05-11 | 13.227.47.41 |
| another5.redirector-test5.roberthalfonline.com | 2025-09-24 | 204.75.127.159 |
| ma.api.roberthalfonline.com | 2024-11-11 | 52.40.58.9 |
| gen.api.roberthalfonline.com | 2024-08-13 | 18.161.6.108 |
| prd-dr.gen.api.roberthalfonline.com | 2024-07-09 | 3.163.24.4 |
| jps.api.roberthalfonline.com | 2025-09-25 | 3.175.64.73 |
| prd-dr.jps.api.roberthalfonline.com | 2024-02-26 | 204.246.191.49 |
| view.contentlink.roberthalfonline.com | 2024-10-23 | 3.163.24.80 |
| int-qs.edocs.roberthalfonline.com | 2024-11-24 | 3.163.158.62 |
| resources.roberthalfonline.com | 2024-06-03 | 99.84.66.112 |
| content.roberthalfonline.com | 2024-01-16 | 99.84.66.9 |
| dv.roberthalfonline.com | 2024-11-24 | 99.86.38.89 |