| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2015-02-16 | 107.23.45.29 (ClassC) |
| 2016-02-29 | 52.72.55.60 (ClassC) |
| 2019-11-05 | 3.215.1.72 (ClassC) |
| 2024-11-08 | 34.200.163.68 (ClassC) |
| 2025-01-24 | 54.144.40.204 (ClassC) |
| 2025-02-09 | 54.197.145.52 (ClassC) |
| 2025-02-15 | 52.87.120.178 (ClassC) |
| 2025-03-16 | 34.235.7.63 (ClassC) |
| 2025-03-31 | 184.73.229.27 (ClassC) |
| 2025-04-18 | 52.21.52.156 (ClassC) |
| 2025-04-24 | 3.224.88.120 (ClassC) |
| 2025-05-20 | 52.4.221.213 (ClassC) |
| 2025-05-30 | 107.22.88.245 (ClassC) |
| 2025-06-28 | 3.213.226.136 (ClassC) |
| 2025-07-29 | 54.165.204.131 (ClassC) |
| 2025-08-03 | 3.225.57.70 (ClassC) |
| 2025-09-06 | 52.204.217.4 (ClassC) |
| 2025-09-22 | 98.88.89.135 (ClassC) |
| 2025-10-01 | 35.172.48.230 (ClassC) |
| 2025-10-27 | 44.215.57.60 (ClassC) |
| 2025-11-16 | 44.196.199.16 (ClassC) |
| 2025-12-13 | 44.209.136.72 (ClassC) |
| 2026-01-06 | 3.219.57.86 (ClassC) |
| Date | Domain | IP |
| mx-1.ibest.com.br | 2024-01-08 | 74.125.195.26 |
| mx-3.ibest.com.br | 2025-06-01 | 142.251.190.27 |
| mx-7.ibest.com.br | 2025-01-25 | 142.250.152.27 |
| login.ibest.com.br | 2024-11-08 | 34.200.163.68 |
| smtp.ibest.com.br | 2025-12-21 | 168.0.132.203 |
| ads.ibest.com.br | 2025-11-20 | 187.31.192.6 |
| mail.mailibest.ibest.com.br | 2024-09-15 | 172.217.14.243 |
| www.ibest.com.br | 2013-05-19 | 187.31.192.6 |
| mx.ibest.com.br | 2014-03-24 | 177.153.26.10 |