| Date | IP Address |
| 2016-07-09 | 54.231.10.128 (ClassC) |
| 2024-04-30 | 52.216.62.80 (ClassC) |
| 2024-05-14 | 52.217.167.32 (ClassC) |
| 2024-06-27 | 52.217.165.96 (ClassC) |
| 2024-07-22 | 54.231.223.16 (ClassC) |
| 2024-08-09 | 52.217.121.24 (ClassC) |
| 2024-09-21 | 16.182.97.64 (ClassC) |
| 2024-10-20 | 52.217.33.174 (ClassC) |
| 2024-12-01 | 54.231.131.104 (ClassC) |
| 2025-03-05 | 52.216.93.197 (ClassC) |
| 2025-04-06 | 52.217.73.166 (ClassC) |
| 2025-04-25 | 52.217.206.88 (ClassC) |
| 2025-05-02 | 16.15.178.19 (ClassC) |
| Date | Domain | IP |
| cdn.postcardsanywhere.com | 2023-08-31 | 54.231.202.32 |
| tmp.postcardsanywhere.com | 2024-04-30 | 52.216.62.80 |
| www.postcardsanywhere.com | 2024-12-06 | 174.129.252.114 |