| Date | IP Address |
| 2022-04-30 | 23.55.63.16 (ClassC) |
| 2022-05-02 | 23.6.118.72 (ClassC) |
| 2022-05-03 | 23.47.218.70 (ClassC) |
| 2023-06-17 | 23.203.49.67 (ClassC) |
| 2023-07-10 | 23.47.204.140 (ClassC) |
| 2023-08-26 | 104.100.168.169 (ClassC) |
| 2024-07-09 | 23.55.167.18 (ClassC) |
| 2024-09-02 | 23.54.19.195 (ClassC) |
| 2025-01-30 | 23.192.230.143 (ClassC) |
| 2025-09-24 | 23.213.34.69 (ClassC) |
| 2025-10-06 | 23.192.230.142 (ClassC) |
| 2025-10-17 | 23.213.34.78 (ClassC) |
| 2025-12-03 | 23.192.230.152 (ClassC) |
| Date | Domain | IP |
| accept.pfizerpspmodelingtool.com | 2025-02-15 | 23.192.230.152 |