| Date | IP Address |
| 2015-02-07 | 54.221.234.87 (ClassC) |
| 2015-02-10 | 75.101.133.50 (ClassC) |
| 2015-03-15 | 23.21.126.203 (ClassC) |
| 2015-04-28 | 50.17.195.242 (ClassC) |
| 2015-06-19 | 107.20.226.74 (ClassC) |
| 2015-10-02 | 23.21.109.148 (ClassC) |
| 2026-03-04 | 198.71.233.224 (ClassC) |
| Date | Domain | IP |
| oldsite.prologue.com | 2025-08-07 | 198.71.233.224 |
| applicants.prologue.com | 2024-06-02 | 3.210.192.5 |
| www.prologue.com | 2015-02-10 | 75.101.133.50 |