| Date | IP Address |
| 2020-01-17 | 13.249.79.7 (ClassC) |
| 2020-01-20 | 52.85.34.62 (ClassC) |
| 2020-01-21 | 52.85.34.50 (ClassC) |
| 2020-02-07 | 52.85.148.119 (ClassC) |
| 2020-04-13 | 13.249.71.77 (ClassC) |
| 2020-04-14 | 13.249.71.46 (ClassC) |
| 2020-05-01 | 13.249.75.38 (ClassC) |
| 2021-02-16 | 99.84.253.19 (ClassC) |
| 2021-04-12 | 99.84.189.117 (ClassC) |
| 2022-04-18 | 99.86.231.102 (ClassC) |
| 2022-08-20 | 13.33.33.86 (ClassC) |
| 2023-08-15 | 18.173.121.126 (ClassC) |
| 2023-08-26 | 52.84.162.114 (ClassC) |
| 2023-09-16 | 18.65.25.96 (ClassC) |
| 2024-07-07 | 104.18.33.34 (ClassC) |
| 2024-07-16 | 172.64.154.222 (ClassC) |
| 2024-08-08 | 104.18.0.70 (ClassC) |
| 2025-04-19 | 104.18.43.221 (ClassC) |
| 2025-05-31 | 172.64.144.35 (ClassC) |
| Date | Domain | IP |
| www.pfizerencompass.com | 2025-01-03 | 104.18.43.221 |