| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2014-01-16 | 186.232.109.50 (ClassC) |
| 2015-03-14 | 54.94.171.193 (ClassC) |
| 2015-07-02 | 104.31.95.29 (ClassC) |
| 2024-12-27 | 170.82.174.30 (ClassC) |
| 2025-01-11 | 170.82.173.30 (ClassC) |
| Date | Domain | IP |
| cursos.prepara.com.br | 2024-12-27 | 34.68.90.188 |
| www.prepara.com.br | 2024-08-10 | 170.82.174.30 |