| Date | IP Address |
| 2023-08-26 | 104.21.76.175 (ClassC) |
| 2025-01-13 | 172.67.197.252 (ClassC) |
| 2025-05-18 | 104.26.4.66 (ClassC) |
| 2025-10-17 | 172.67.73.23 (ClassC) |
| 2026-01-26 | 104.26.5.66 (ClassC) |
| Date | Domain | IP |
| pdic.fiesc.com.br | 2025-06-05 | 20.110.112.250 |
| observatorio.fiesc.com.br | 2023-08-26 | 104.21.76.175 |
| www.fiesc.com.br | 2024-11-25 | 177.221.49.61 |