| Date | IP Address |
| 2016-04-23 | 54.230.141.203 (ClassC) |
| 2017-05-24 | 52.84.76.227 (ClassC) |
| 2018-07-30 | 52.84.145.89 (ClassC) |
| 2019-10-28 | 13.227.19.105 (ClassC) |
| 2025-02-03 | 54.198.17.123 (ClassC) |
| Date | Domain | IP |
| app.prefcards.com | 2024-09-03 | 99.84.66.59 |
| assets.prefcards.com | 2024-06-26 | 204.246.191.15 |