| Date | IP Address |
| 2021-04-16 | 13.32.200.77 (ClassC) |
| 2021-11-14 | 13.225.63.50 (ClassC) |
| 2022-06-02 | 13.226.142.118 (ClassC) |
| 2022-06-02 | 13.226.142.51 (ClassC) |
| 2022-07-03 | 108.138.246.77 (ClassC) |
| 2022-07-28 | 54.192.150.64 (ClassC) |
| 2022-09-12 | 13.227.74.119 (ClassC) |
| 2023-01-28 | 143.204.146.118 (ClassC) |
| 2023-07-14 | 13.227.74.128 (ClassC) |
| 2023-08-26 | 13.35.121.45 (ClassC) |
| 2024-02-25 | 172.64.147.11 (ClassC) |
| 2024-06-29 | 104.18.40.245 (ClassC) |
| 2024-08-01 | 104.18.22.154 (ClassC) |
| 2025-11-30 | 172.64.152.96 (ClassC) |
| 2025-12-15 | 104.18.35.160 (ClassC) |
| Date | Domain | IP |
| www.pfizer.co.th | 2025-11-13 | 172.64.152.96 |