| Date | IP Address |
| 2022-03-19 | 44.194.150.111 (ClassC) |
| 2022-06-22 | 100.24.203.114 (ClassC) |
| 2022-12-09 | 23.22.160.36 (ClassC) |
| 2023-03-23 | 52.1.3.53 (ClassC) |
| 2023-08-01 | 34.195.52.134 (ClassC) |
| 2023-11-02 | 54.86.247.228 (ClassC) |
| 2024-02-06 | 3.229.50.89 (ClassC) |
| 2024-02-21 | 3.214.95.116 (ClassC) |
| 2024-07-19 | 3.229.188.181 (ClassC) |
| 2024-09-12 | 34.195.243.170 (ClassC) |
| 2024-09-15 | 35.171.93.37 (ClassC) |
| 2024-09-24 | 18.211.101.220 (ClassC) |
| 2024-10-13 | 3.215.35.57 (ClassC) |
| 2024-11-21 | 18.235.250.67 (ClassC) |
| 2024-11-25 | 34.237.33.9 (ClassC) |
| 2024-11-28 | 52.7.150.100 (ClassC) |
| 2024-12-10 | 54.210.110.114 (ClassC) |
| 2024-12-23 | 52.2.191.248 (ClassC) |
| 2025-01-13 | 52.5.3.92 (ClassC) |
| 2025-02-23 | 54.209.96.78 (ClassC) |
| 2025-03-20 | 34.205.126.206 (ClassC) |
| 2025-06-24 | 54.81.42.113 (ClassC) |
| 2025-07-30 | 34.195.43.145 (ClassC) |
| 2025-09-24 | 54.235.223.223 (ClassC) |
| 2025-12-28 | 35.171.101.76 (ClassC) |
| 2026-01-06 | 18.204.140.64 (ClassC) |
| 2026-01-26 | 3.223.100.149 (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 |