| Date | IP Address |
| 2016-08-04 | 50.17.196.191 (ClassC) |
| 2021-04-30 | 3.219.185.113 (ClassC) |
| 2021-06-30 | 3.227.29.88 (ClassC) |
| 2021-06-30 | 3.224.209.49 (ClassC) |
| 2021-08-30 | 52.1.216.61 (ClassC) |
| 2024-06-02 | 3.210.192.5 (ClassC) |
| 2024-08-05 | 18.211.231.38 (ClassC) |
| 2025-01-13 | 54.220.192.176 (ClassC) |
| Date | Domain | IP |
| oldsite.prologue.com | 2025-01-13 | 198.71.233.224 |
| applicants.prologue.com | 2024-06-02 | 3.210.192.5 |
| www.prologue.com | 2015-02-10 | 75.101.133.50 |