| Date | IP Address |
| 2024-11-23 | 104.21.48.195 (ClassC) |
| 2025-04-27 | 172.67.156.18 (ClassC) |
| 2025-09-13 | 104.21.48.1 (ClassC) |
| 2026-03-05 | 104.21.72.230 (ClassC) |
| Date | Domain | IP |
| webdisk.happystudies.ru | 2025-01-31 | 172.67.156.18 |
| cpanel.happystudies.ru | 2024-12-01 | 172.67.156.18 |
| mail.happystudies.ru | 2025-04-20 | 104.21.48.195 |
| autodiscover.happystudies.ru | 2024-11-27 | 104.21.48.195 |
| cpcalendars.happystudies.ru | 2024-12-05 | 104.21.48.195 |
| cpcontacts.happystudies.ru | 2024-11-23 | 104.21.48.195 |
| www.happystudies.ru | 2024-11-23 | 104.21.48.195 |