| Date | IP Address |
| 2020-08-30 | 99.84.248.88 (ClassC) |
| 2020-08-30 | 99.84.248.89 (ClassC) |
| 2020-12-04 | 54.230.18.123 (ClassC) |
| 2020-12-04 | 54.230.18.92 (ClassC) |
| 2021-01-05 | 13.249.130.97 (ClassC) |
| 2024-06-28 | 34.231.88.148 (ClassC) |
| 2024-08-27 | 3.224.214.250 (ClassC) |
| 2024-10-23 | 34.230.214.45 (ClassC) |
| 2024-10-26 | 52.71.157.177 (ClassC) |
| 2024-12-29 | 52.5.3.92 (ClassC) |
| 2025-04-17 | 3.208.245.26 (ClassC) |
| 2025-05-13 | 100.29.122.166 (ClassC) |
| Date | Domain | IP |
| biogensymposia.biogen-support.com | 2024-06-28 | 34.231.88.148 |
| ae.mail.biogen-support.com | 2025-05-07 | 34.102.239.211 |
| cf-biogen.biogen-support.com | 2020-05-19 | 13.227.47.111 |
| biogenpreferencecenter.biogen-support.com | 2024-02-21 | 3.214.95.116 |
| uat.gcs.biogen-support.com | 2024-12-06 | 3.68.50.83 |
| abovems.biogen-support.com | 2024-10-27 | 3.221.247.45 |
| www.biogen-support.com | 2024-03-10 | 3.210.46.173 |
| avonex.biogen-support.com | 2023-09-20 | 54.85.46.157 |