| Date | IP Address |
| 2019-09-24 | 217.66.55.99 (ClassC) |
| 2020-04-15 | 104.18.24.104 (ClassC) |
| 2020-04-15 | 104.18.25.104 (ClassC) |
| 2022-01-19 | 208.86.201.12 (ClassC) |
| 2022-04-29 | 104.18.36.249 (ClassC) |
| 2022-04-29 | 172.64.151.7 (ClassC) |
| 2022-11-05 | 18.165.83.80 (ClassC) |
| 2022-11-05 | 18.165.83.92 (ClassC) |
| 2022-11-05 | 18.165.83.10 (ClassC) |
| 2022-11-05 | 18.165.83.107 (ClassC) |
| 2023-03-28 | 104.18.30.65 (ClassC) |
| 2023-03-28 | 104.18.31.65 (ClassC) |
| 2024-06-09 | 172.64.147.98 (ClassC) |
| 2024-06-16 | 104.18.40.158 (ClassC) |
| 2024-07-27 | 104.18.24.131 (ClassC) |
| 2024-08-08 | 104.18.25.131 (ClassC) |
| 2025-08-18 | 172.64.151.176 (ClassC) |
| 2025-11-18 | 104.18.36.80 (ClassC) |
| Date | Domain | IP |
| hhb.pfizer.de | 2024-08-09 | 104.18.24.131 |
| bi.pfizer.de | 2025-04-07 | 172.64.153.128 |