| Date | IP Address |
| 2017-07-06 | 24.143.193.168 (ClassC) |
| 2017-10-04 | 204.93.46.34 (ClassC) |
| 2017-11-06 | 92.122.154.63 (ClassC) |
| 2018-11-17 | 96.17.177.71 (ClassC) |
| 2019-02-06 | 64.145.68.47 (ClassC) |
| 2019-07-02 | 104.102.248.179 (ClassC) |
| 2019-07-04 | 23.43.164.56 (ClassC) |
| 2024-04-02 | 23.195.73.40 (ClassC) |
| 2024-09-02 | 23.192.230.90 (ClassC) |
| 2025-06-04 | 23.59.88.201 (ClassC) |
| 2025-09-21 | 23.41.4.91 (ClassC) |
| 2026-01-29 | 23.41.4.73 (ClassC) |
| Date | Domain | IP |
| api.persgroepemploymentsolutions.nl | 2025-08-07 | 23.41.4.91 |
| cdn.persgroepemploymentsolutions.nl | 2024-12-21 | 23.41.4.91 |
| t.persgroepemploymentsolutions.nl | 2024-11-25 | 23.41.4.73 |
| www.persgroepemploymentsolutions.nl | 2024-09-02 | 23.192.230.90 |