| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2025-03-28 | 35.201.85.150 (ClassC) |
| 2025-06-29 | 179.191.169.113 (ClassC) |
| 2026-02-11 | 206.41.72.3 (ClassC) |
| Date | Domain | IP |
| nave2.istoe.com.br | 2025-03-15 | 35.201.85.150 |
| nave.istoe.com.br | 2025-03-15 | 35.201.85.150 |
| cdn.istoe.com.br | 2021-03-01 | 23.194.212.99 |
| www.istoe.com.br | 2025-03-15 | 35.201.85.150 |