| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2024-05-10 | 172.67.184.221 (ClassC) |
| 2024-10-27 | 104.21.68.17 (ClassC) |
| 2025-01-22 | 104.21.32.1 (ClassC) |
| 2025-02-19 | 104.21.16.1 (ClassC) |
| 2025-06-01 | 104.21.48.1 (ClassC) |
| 2025-06-09 | 104.21.96.1 (ClassC) |
| 2025-08-08 | 104.21.64.1 (ClassC) |
| Date | Domain | IP |
| cdn.buscacnpj.com.br | 2014-10-19 | 54.230.5.11 |