| Date | IP Address |
| 2014-03-11 | 213.247.48.129 (ClassC) |
| 2014-03-12 | 141.138.199.137 (ClassC) |
| 2015-04-27 | 23.21.105.240 (ClassC) |
| 2023-08-26 | 3.123.212.38 (ClassC) |
| 2024-09-15 | 3.64.175.191 (ClassC) |
| 2024-11-24 | 3.66.255.188 (ClassC) |
| 2024-12-02 | 3.75.28.159 (ClassC) |
| 2024-12-10 | 3.72.195.7 (ClassC) |
| 2025-01-06 | 18.197.85.186 (ClassC) |
| 2025-02-22 | 3.121.149.199 (ClassC) |
| 2025-05-12 | 52.51.131.59 (ClassC) |
| Date | Domain | IP |
| www-stg2.pearsonclinical.nl | 2024-11-25 | 92.122.14.245 |
| www-ppe.pearsonclinical.nl | 2025-01-02 | 92.122.14.245 |
| www-perf.pearsonclinical.nl | 2024-11-25 | 92.122.14.245 |
| www-stg.pearsonclinical.nl | 2025-01-22 | 92.122.14.245 |
| www.pearsonclinical.nl | 2024-11-24 | 18.194.143.85 |