| Date | IP Address |
| 2021-02-28 | 179.191.178.37 (ClassC) |
| 2021-02-28 | 179.191.178.85 (ClassC) |
| 2026-02-06 | 179.191.185.64 (ClassC) |
| Date | Domain | IP |
| image.parceria.pefisa.com.br | 2025-08-02 | 23.192.230.148 |
| api-prd.pefisa.com.br | 2024-05-10 | 206.41.72.67 |
| brcode.pefisa.com.br | 2025-12-28 | 54.207.154.220 |
| ibpj-middleware.pefisa.com.br | 2026-02-06 | 179.191.185.64 |
| api-hml.pefisa.com.br | 2024-05-10 | 206.41.72.67 |
| www.pefisa.com.br | 2024-08-23 | 179.191.186.64 |