| Date | IP Address |
| 2023-12-03 | 177.85.99.51 (ClassC) |
| 2024-11-18 | 177.85.99.144 (ClassC) |
| 2025-01-20 | 77.37.76.88 (ClassC) |
| 2025-04-20 | 147.79.120.198 (ClassC) |
| 2025-05-11 | 147.79.120.87 (ClassC) |
| 2025-05-24 | 77.37.76.222 (ClassC) |
| 2026-01-21 | 148.135.128.195 (ClassC) |
| Date | Domain | IP |
| spt1.cntfiber.com.br | 2025-10-07 | 191.37.79.252 |
| www.cntfiber.com.br | 2023-12-03 | 177.85.99.51 |