| Date | IP Address |
| 2014-03-28 | 200.234.196.187 (ClassC) |
| 2015-03-19 | 209.190.20.207 (ClassC) |
| 2016-04-11 | 204.2.156.34 (ClassC) |
| 2019-11-18 | 104.18.38.215 (ClassC) |
| 2019-11-18 | 104.18.39.215 (ClassC) |
| 2020-03-22 | 200.98.137.36 (ClassC) |
| 2024-09-30 | 200.98.72.20 (ClassC) |
| 2025-08-20 | 168.75.105.200 (ClassC) |
| 2025-12-03 | 129.148.55.100 (ClassC) |
| Date | Domain | IP |
| www.ciee-es.org.br | 2025-08-20 | 168.75.105.200 |