| Date | IP Address |
| 2018-09-26 | 34.199.153.148 (ClassC) |
| 2023-08-23 | 13.248.192.141 (ClassC) |
| 2024-07-02 | 76.223.73.75 (ClassC) |
| 2025-02-23 | 13.248.198.0 (ClassC) |
| 2025-03-16 | 76.223.68.176 (ClassC) |
| 2025-09-23 | 204.246.191.77 (ClassC) |
| 2025-10-09 | 3.169.173.6 (ClassC) |
| Date | Domain | IP |
| www.merckaccessprogram-prevymis.com | 2023-08-25 | 18.161.6.8 |