| Date | IP Address |
| 2024-06-20 | 13.43.127.59 (ClassC) |
| 2025-05-23 | 18.135.48.95 (ClassC) |
| 2025-09-13 | 52.56.211.185 (ClassC) |
| 2026-01-22 | 18.135.120.214 (ClassC) |
| Date | Domain | IP |
| hotoffice.hotcourses.com | 2024-02-21 | 3.11.31.22 |
| emt.hotcourses.com | 2025-05-23 | 18.135.48.95 |
| www.hotcourses.com | 2023-11-01 | 18.130.183.193 |