| Date | IP Address |
| 2021-01-27 | 8.252.9.122 (ClassC) |
| 2021-02-24 | 8.252.79.122 (ClassC) |
| 2021-02-27 | 8.249.123.250 (ClassC) |
| 2021-03-12 | 8.249.127.250 (ClassC) |
| 2021-03-17 | 8.248.49.250 (ClassC) |
| 2021-03-26 | 8.251.180.250 (ClassC) |
| 2021-03-30 | 8.240.215.122 (ClassC) |
| 2021-04-13 | 8.249.117.250 (ClassC) |
| 2021-05-31 | 8.251.164.250 (ClassC) |
| 2021-10-01 | 8.252.174.250 (ClassC) |
| 2021-10-17 | 8.248.74.122 (ClassC) |
| 2021-11-07 | 8.252.174.122 (ClassC) |
| 2024-07-29 | 104.18.23.42 (ClassC) |
| 2024-08-02 | 104.18.40.108 (ClassC) |
| 2025-09-24 | 104.18.30.204 (ClassC) |
| 2026-01-21 | 104.18.31.204 (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 |