| Date | IP Address |
| 2021-09-14 | 104.18.23.132 (ClassC) |
| 2022-07-08 | 172.64.144.4 (ClassC) |
| 2023-08-26 | 108.138.246.53 (ClassC) |
| 2024-06-08 | 104.18.42.224 (ClassC) |
| 2024-07-29 | 104.18.5.213 (ClassC) |
| 2025-08-31 | 104.18.34.128 (ClassC) |
| 2026-01-26 | 172.64.153.128 (ClassC) |
| Date | Domain | IP |
| m.pfizermedicalinformation.com.do | 2024-07-24 | 104.18.20.186 |
| www.pfizermedicalinformation.com.do | 2025-06-26 | 104.18.34.128 |