| Date | IP Address |
| 2022-08-18 | 52.3.156.211 (ClassC) |
| 2023-10-17 | 35.171.80.45 (ClassC) |
| 2024-05-11 | 54.164.19.238 (ClassC) |
| 2024-05-27 | 107.21.108.222 (ClassC) |
| 2024-11-24 | 54.197.47.14 (ClassC) |
| 2025-05-26 | 44.210.24.209 (ClassC) |
| 2025-07-07 | 52.202.32.172 (ClassC) |
| 2025-08-07 | 44.215.177.66 (ClassC) |
| 2025-08-27 | 52.200.255.233 (ClassC) |
| 2025-08-30 | 13.219.25.237 (ClassC) |
| 2025-09-21 | 34.202.252.202 (ClassC) |
| 2025-10-08 | 34.201.183.57 (ClassC) |
| 2025-10-15 | 3.231.74.99 (ClassC) |
| 2025-10-27 | 18.214.3.85 (ClassC) |
| 2025-11-21 | 18.235.54.96 (ClassC) |
| Date | Domain | IP |
| www.dfe.nfecitel.com.br | 2024-11-24 | 54.197.47.14 |
| www.nfecitel.com.br | 2024-11-24 | 18.205.248.57 |