| Date | IP Address |
| 2015-11-20 | 216.137.39.235 (ClassC) |
| 2016-11-05 | 52.85.209.193 (ClassC) |
| 2016-12-24 | 52.84.66.82 (ClassC) |
| 2018-07-06 | 45.60.65.3 (ClassC) |
| 2018-07-23 | 45.60.63.3 (ClassC) |
| 2018-08-10 | 13.33.35.109 (ClassC) |
| 2019-01-20 | 52.222.218.172 (ClassC) |
| 2020-06-22 | 23.54.164.106 (ClassC) |
| 2020-06-22 | 23.54.164.145 (ClassC) |
| 2024-02-21 | 104.71.218.139 (ClassC) |
| 2024-06-27 | 184.30.150.209 (ClassC) |
| 2024-07-22 | 23.41.4.71 (ClassC) |
| 2024-08-29 | 23.41.4.22 (ClassC) |
| 2024-10-02 | 23.41.4.80 (ClassC) |
| 2024-11-11 | 104.18.4.75 (ClassC) |
| 2024-12-06 | 104.18.32.190 (ClassC) |
| 2025-03-30 | 104.18.5.75 (ClassC) |
| Date | Domain | IP |
| salary-guides.haysplc.com | 2025-03-04 | 45.60.31.111 |
| www.salary-guides.haysplc.com | 2025-01-15 | 45.60.31.111 |
| www.haysplc.com | 2024-06-27 | 184.30.150.209 |