| Date | IP Address |
| 2023-08-26 | 169.47.33.19 (ClassC) |
| 2023-09-25 | 169.47.33.18 (ClassC) |
| 2024-12-20 | 169.62.110.130 (ClassC) |
| 2025-01-06 | 169.62.110.131 (ClassC) |
| Date | Domain | IP |
| assets.track.easypost.com | 2020-03-28 | 13.224.215.2 |
| assets.easypost.com | 2024-09-02 | 18.161.6.122 |
| www.easypost.com | 2024-11-25 | 169.62.110.133 |