| Date | IP Address |
| 2021-02-23 | 52.67.4.155 (ClassC) |
| 2025-04-23 | 168.75.105.200 (ClassC) |
| 2025-09-15 | 129.148.55.100 (ClassC) |
| Date | Domain | IP |
| www.eleva.ciee.org.br | 2024-05-13 | 52.202.74.31 |
| www.loginsso-prod.ciee.org.br | 2024-06-03 | 54.243.36.106 |
| www.jornadaciee.ciee.org.br | 2024-11-24 | 52.2.246.104 |
| www.uniciee.ciee.org.br | 2024-04-19 | 3.214.166.216 |
| api.ciee.org.br | 2023-08-15 | 168.138.251.2 |
| portal.ciee.org.br | 2025-04-23 | 168.75.105.200 |
| www.portal.ciee.org.br | 2024-06-03 | 52.202.11.54 |
| www.loginsso.ciee.org.br | 2023-10-31 | 34.233.241.106 |
| www.empresas.ciee.org.br | 2024-11-25 | 129.159.54.132 |
| www.gaus.ciee.org.br | 2025-03-15 | 52.86.14.159 |
| www.ciee.org.br | 2024-11-27 | 129.159.54.44 |