| Date | IP Address |
| 2020-12-02 | 99.84.176.114 (ClassC) |
| 2020-12-02 | 99.84.176.122 (ClassC) |
| 2020-12-02 | 99.84.176.77 (ClassC) |
| 2022-04-18 | 99.86.231.37 (ClassC) |
| 2022-04-25 | 99.84.226.182 (ClassC) |
| 2023-08-26 | 99.84.238.104 (ClassC) |
| 2024-06-08 | 104.18.32.237 (ClassC) |
| 2024-07-26 | 104.18.22.173 (ClassC) |
| 2024-10-12 | 104.18.32.74 (ClassC) |
| 2025-07-31 | 172.64.155.182 (ClassC) |
| Date | Domain | IP |
| www.pfizerbiosimilarsresource.com | 2024-07-26 | 104.18.22.173 |