| Date | IP Address |
| 2021-05-22 | 52.85.151.23 (ClassC) |
| 2021-05-22 | 52.85.151.33 (ClassC) |
| 2021-05-26 | 52.85.149.45 (ClassC) |
| 2022-04-03 | 204.246.178.67 (ClassC) |
| 2023-08-26 | 18.238.192.44 (ClassC) |
| 2023-11-29 | 104.18.42.224 (ClassC) |
| 2024-08-15 | 104.18.4.213 (ClassC) |
| 2025-09-03 | 172.64.153.128 (ClassC) |
| 2026-02-20 | 104.18.34.128 (ClassC) |
| Date | Domain | IP |
| www.pfizerdiscovery.com | 2024-12-24 | 104.18.34.128 |