| Date | IP Address |
| 2018-05-23 | 54.233.82.53 (ClassC) |
| 2019-01-10 | 54.207.18.231 (ClassC) |
| 2024-05-24 | 54.94.137.154 (ClassC) |
| 2025-03-09 | 54.207.245.213 (ClassC) |
| 2025-09-02 | 18.231.19.99 (ClassC) |
| 2025-09-20 | 54.233.201.117 (ClassC) |
| 2026-01-25 | 177.71.178.145 (ClassC) |
| Date | Domain | IP |
| w2.ceisc.com.br | 2025-03-09 | 54.207.245.213 |
| ead.ceisc.com.br | 2024-09-06 | 18.229.32.191 |
| r.sendinblue.ceisc.com.br | 2025-08-14 | 1.179.112.196 |
| h.ceisc.com.br | 2025-09-02 | 18.228.20.151 |
| api.ceisc.com.br | 2024-04-18 | 54.232.147.222 |
| aovivo.ceisc.com.br | 2024-06-17 | 52.67.148.101 |
| lp.ceisc.com.br | 2024-06-03 | 54.94.219.191 |
| www.ceisc.com.br | 2023-10-13 | 52.67.193.48 |