| Date | IP Address |
| 2023-12-03 | 177.85.99.51 (ClassC) |
| 2024-11-04 | 177.85.99.144 (ClassC) |
| 2024-12-30 | 92.112.198.207 (ClassC) |
| 2025-04-27 | 148.135.128.127 (ClassC) |
| 2025-05-01 | 92.112.198.145 (ClassC) |
| 2025-05-13 | 148.135.128.190 (ClassC) |
| 2025-06-18 | 148.135.128.146 (ClassC) |
| 2025-08-05 | 92.112.198.211 (ClassC) |
| Date | Domain | IP |
| spt1.cntfiber.com.br | 2025-06-28 | 191.37.79.252 |
| www.cntfiber.com.br | 2023-12-03 | 177.85.99.51 |