| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2018-10-03 | 52.84.68.121 (ClassC) |
| 2018-10-03 | 52.84.68.104 (ClassC) |
| 2018-10-03 | 52.84.68.12 (ClassC) |
| 2020-02-07 | 13.226.139.115 (ClassC) |
| 2020-02-07 | 13.226.139.12 (ClassC) |
| 2020-02-07 | 13.226.139.128 (ClassC) |
| 2020-07-16 | 13.249.135.124 (ClassC) |
| 2020-07-16 | 13.249.135.125 (ClassC) |
| 2020-07-16 | 13.249.135.73 (ClassC) |
| 2020-11-03 | 13.249.138.15 (ClassC) |
| 2020-11-03 | 13.249.138.83 (ClassC) |
| 2024-06-07 | 3.163.24.18 (ClassC) |
| 2025-01-27 | 18.172.170.127 (ClassC) |
| 2025-03-30 | 18.172.170.49 (ClassC) |
| 2025-07-07 | 18.161.6.76 (ClassC) |
| 2025-08-21 | 18.161.6.34 (ClassC) |
| 2025-12-29 | 18.161.6.48 (ClassC) |
| 2026-01-04 | 18.161.6.58 (ClassC) |
| Date | Domain | IP |
| i1.zst.com.br | 2013-08-13 | 54.230.31.100 |
| i2.zst.com.br | 2013-04-13 | 216.137.33.189 |
| i3.zst.com.br | 2013-04-13 | 216.137.33.17 |