| Date | IP Address |
| 2022-03-27 | 44.194.150.111 (ClassC) |
| 2022-12-07 | 23.22.160.36 (ClassC) |
| 2023-07-28 | 34.195.52.134 (ClassC) |
| 2024-02-06 | 3.229.50.89 (ClassC) |
| 2024-08-29 | 35.171.93.37 (ClassC) |
| 2024-09-14 | 34.195.243.170 (ClassC) |
| 2024-11-25 | 44.217.10.196 (ClassC) |
| 2024-12-04 | 52.5.3.92 (ClassC) |
| 2024-12-20 | 52.2.191.248 (ClassC) |
| 2025-01-07 | 52.23.140.230 (ClassC) |
| 2025-04-19 | 34.239.8.160 (ClassC) |
| 2025-07-26 | 3.211.102.97 (ClassC) |
| 2025-09-07 | 54.243.47.129 (ClassC) |
| 2025-11-06 | 54.164.243.99 (ClassC) |
| 2026-01-21 | 44.197.45.49 (ClassC) |
| Date | Domain | IP |
| policies.biogen-international.com | 2025-08-21 | 34.235.86.208 |
| www.biogen-international.com | 2024-11-25 | 44.217.10.196 |