| Date | IP Address |
| 2025-01-12 | 177.54.145.109 (ClassC) |
| 2025-01-20 | 177.54.145.110 (ClassC) |
| 2025-01-24 | 177.54.145.108 (ClassC) |
| 2025-03-01 | 177.54.145.107 (ClassC) |
| 2025-03-15 | 177.54.145.106 (ClassC) |
| 2025-04-08 | 67.213.118.71 (ClassC) |
| 2025-08-14 | 160.202.130.241 (ClassC) |
| 2025-12-20 | 160.202.130.237 (ClassC) |
| 2026-01-27 | 67.213.118.67 (ClassC) |
| Date | Domain | IP |
| www.letrasacademy.com.br | 2025-01-15 | 177.54.145.106 |