| Date | IP Address |
| 2014-12-30 | 88.159.17.210 (ClassC) |
| 2015-06-24 | 46.101.24.142 (ClassC) |
| 2016-05-02 | 46.101.85.75 (ClassC) |
| 2019-07-06 | 134.209.24.4 (ClassC) |
| 2024-10-06 | 138.68.181.42 (ClassC) |
| 2024-11-14 | 81.19.215.62 (ClassC) |
| 2026-01-09 | 91.204.209.37 (ClassC) |
| Date | Domain | IP |
| ats8.hireserve.com | 2024-09-10 | 147.154.112.73 |
| abdn-ats-sso.hireserve.com | 2024-08-31 | 147.154.3.128 |
| www.hireserve.com | 2025-03-20 | 138.68.181.42 |