| Date | IP Address |
| 2022-02-22 | 3.64.236.3 (ClassC) |
| 2023-10-04 | 52.29.253.247 (ClassC) |
| 2024-11-24 | 3.121.72.134 (ClassC) |
| 2025-01-15 | 52.29.101.191 (ClassC) |
| 2025-04-08 | 52.57.222.42 (ClassC) |
| 2025-04-23 | 3.121.65.1 (ClassC) |
| 2025-05-13 | 3.75.72.54 (ClassC) |
| 2025-06-14 | 3.165.160.50 (ClassC) |
| 2025-07-18 | 18.161.6.7 (ClassC) |
| 2025-08-28 | 18.161.6.60 (ClassC) |
| Date | Domain | IP |
| learn.obsbusiness.school | 2024-11-24 | 52.28.114.168 |
| campus.obsbusiness.school | 2024-11-24 | 3.121.72.134 |
| www.obsbusiness.school | 2024-07-29 | 104.18.23.42 |