| Date | IP Address |
| 2018-05-12 | 13.33.126.254 (ClassC) |
| 2018-05-12 | 13.33.126.91 (ClassC) |
| 2018-09-08 | 52.84.146.40 (ClassC) |
| 2018-09-08 | 52.84.146.13 (ClassC) |
| 2018-09-08 | 52.84.146.179 (ClassC) |
| 2018-09-08 | 52.84.146.218 (ClassC) |
| 2020-05-07 | 13.227.47.68 (ClassC) |
| 2020-05-07 | 13.227.47.64 (ClassC) |
| 2020-11-16 | 13.226.132.93 (ClassC) |
| 2020-11-17 | 13.225.25.7 (ClassC) |
| 2021-01-11 | 13.225.25.46 (ClassC) |
| 2021-03-11 | 52.84.52.53 (ClassC) |
| 2021-07-07 | 65.8.48.58 (ClassC) |
| 2021-07-07 | 65.8.48.83 (ClassC) |
| 2021-09-03 | 99.84.173.42 (ClassC) |
| 2021-11-09 | 18.67.76.102 (ClassC) |
| 2021-12-29 | 65.8.56.9 (ClassC) |
| 2024-02-27 | 18.161.6.25 (ClassC) |
| 2024-09-04 | 18.161.6.96 (ClassC) |
| 2025-01-14 | 18.161.6.128 (ClassC) |
| Date | Domain | IP |
| email.cefis.com.br | 2015-03-09 | 54.237.217.91 |
| cdn.cefis.com.br | 2024-02-27 | 18.161.6.25 |