| Date | IP Address |
| 2021-06-17 | 3.223.90.182 (ClassC) |
| 2021-08-03 | 18.206.36.75 (ClassC) |
| 2022-03-03 | 35.175.55.125 (ClassC) |
| 2022-09-26 | 3.224.105.212 (ClassC) |
| 2023-01-01 | 34.199.138.238 (ClassC) |
| 2023-07-16 | 3.87.104.128 (ClassC) |
| 2024-06-14 | 34.230.229.200 (ClassC) |
| 2024-09-12 | 54.237.94.230 (ClassC) |
| 2025-11-05 | 54.243.58.222 (ClassC) |
| 2025-12-12 | 54.236.159.240 (ClassC) |
| 2026-01-21 | 34.233.2.146 (ClassC) |
| 2026-02-20 | 35.172.177.123 (ClassC) |
| Date | Domain | IP |
| ri.cosan.com.br | 2025-09-14 | 44.194.55.48 |
| certificadosmobil.cosan.com.br | 2021-06-09 | 104.88.206.133 |
| ir.cosan.com.br | 2025-11-05 | 54.243.58.222 |
| services.cosan.com.br | 2024-07-03 | 23.213.175.154 |
| apps.cosan.com.br | 2024-06-22 | 23.213.175.152 |
| www.cosan.com.br | 2023-11-01 | 3.229.139.234 |