| Date | IP Address |
| 2017-09-19 | 104.81.60.50 (ClassC) |
| 2018-05-04 | 209.133.57.67 (ClassC) |
| 2022-03-31 | 172.232.13.192 (ClassC) |
| 2023-04-11 | 23.213.26.81 (ClassC) |
| 2024-06-07 | 23.219.78.180 (ClassC) |
| 2024-11-24 | 23.219.78.42 (ClassC) |
| 2025-01-11 | 23.46.228.17 (ClassC) |
| 2025-03-14 | 104.96.203.49 (ClassC) |
| 2025-03-20 | 23.46.228.79 (ClassC) |
| 2025-04-26 | 23.46.228.7 (ClassC) |
| Date | Domain | IP |
| biopharma.merck.pt | 2024-07-06 | 23.219.78.204 |
| www.merck.pt | 2024-06-07 | 23.219.78.180 |