| Date | IP Address |
| 2021-01-26 | 52.84.22.34 (ClassC) |
| 2021-01-26 | 52.84.22.28 (ClassC) |
| 2024-07-02 | 3.163.24.4 (ClassC) |
| 2024-07-18 | 99.84.66.75 (ClassC) |
| 2024-11-01 | 99.84.66.111 (ClassC) |
| 2025-01-09 | 108.138.94.62 (ClassC) |
| 2025-03-26 | 99.84.66.97 (ClassC) |
| 2025-08-01 | 3.175.34.57 (ClassC) |
| Date | Domain | IP |
| mx02.bpostresearch.chkmkt.com | 2024-03-17 | 99.84.66.97 |
| barracuda.bpostresearch.chkmkt.com | 2024-08-11 | 99.84.66.75 |
| outmail.mail.bpostresearch.chkmkt.com | 2024-03-11 | 99.84.66.97 |
| m.mail.bpostresearch.chkmkt.com | 2024-07-02 | 3.163.24.4 |
| antispam.mail.bpostresearch.chkmkt.com | 2024-06-26 | 3.163.24.39 |
| pop.bpostresearch.chkmkt.com | 2024-03-17 | 99.84.66.97 |