| Date | IP Address |
| 2021-06-08 | 52.84.145.47 (ClassC) |
| 2021-07-17 | 13.225.53.36 (ClassC) |
| 2021-09-13 | 52.84.121.33 (ClassC) |
| 2021-10-20 | 52.84.121.4 (ClassC) |
| 2021-10-28 | 52.85.91.14 (ClassC) |
| 2021-10-28 | 52.85.91.4 (ClassC) |
| 2021-11-11 | 13.226.14.28 (ClassC) |
| 2021-11-11 | 13.226.14.7 (ClassC) |
| 2022-08-17 | 18.160.225.78 (ClassC) |
| 2025-04-12 | 204.246.191.68 (ClassC) |
| 2025-06-02 | 204.246.191.92 (ClassC) |
| 2025-10-10 | 3.169.173.80 (ClassC) |
| Date | Domain | IP |
| tracking.inboxmailers.com | 2024-11-25 | 99.84.66.23 |
| api.inboxmailers.com | 2025-04-12 | 204.246.191.68 |
| app.inboxmailers.com | 2024-09-06 | 3.163.24.125 |