| Date | IP Address |
| 2021-04-28 | 13.249.64.46 (ClassC) |
| 2021-04-28 | 13.249.64.91 (ClassC) |
| 2021-05-26 | 65.8.248.54 (ClassC) |
| 2023-02-22 | 99.84.238.141 (ClassC) |
| 2023-02-22 | 99.84.238.185 (ClassC) |
| 2023-08-26 | 13.227.74.33 (ClassC) |
| 2023-09-16 | 52.85.151.126 (ClassC) |
| 2024-07-12 | 104.18.42.224 (ClassC) |
| 2024-08-02 | 104.18.4.213 (ClassC) |
| 2025-08-01 | 172.64.153.128 (ClassC) |
| 2025-11-22 | 104.18.34.128 (ClassC) |
| Date | Domain | IP |
| www.pfizer.com.hk | 2025-08-13 | 172.64.150.133 |