| Date | IP Address |
| 2019-12-19 | 52.85.34.146 (ClassC) |
| 2020-01-31 | 13.249.79.56 (ClassC) |
| 2020-02-12 | 13.32.85.73 (ClassC) |
| 2020-04-12 | 13.225.54.27 (ClassC) |
| 2020-04-13 | 13.225.54.119 (ClassC) |
| 2020-04-14 | 13.225.54.24 (ClassC) |
| 2020-04-24 | 13.225.41.11 (ClassC) |
| 2020-05-11 | 52.85.151.41 (ClassC) |
| 2021-03-03 | 13.249.42.43 (ClassC) |
| 2022-09-18 | 18.160.10.42 (ClassC) |
| 2023-08-26 | 13.35.121.3 (ClassC) |
| 2023-09-16 | 65.8.164.113 (ClassC) |
| 2024-06-22 | 104.18.38.192 (ClassC) |
| 2024-07-14 | 172.64.149.64 (ClassC) |
| 2024-08-07 | 104.18.19.68 (ClassC) |
| 2025-08-02 | 104.18.37.191 (ClassC) |
| 2025-08-09 | 172.64.150.65 (ClassC) |
| Date | Domain | IP |
| www.pfizercancertrials.com | 2025-04-13 | 172.64.150.65 |