| Date | IP Address |
| 2024-07-08 | 3.163.24.77 (ClassC) |
| 2025-02-26 | 3.163.24.117 (ClassC) |
| 2025-05-03 | 3.163.24.48 (ClassC) |
| 2025-07-31 | 3.163.24.100 (ClassC) |
| Date | Domain | IP |
| public.realclass.co.kr | 2024-10-01 | 99.84.66.119 |
| cf.realclass.co.kr | 2024-07-05 | 204.246.191.26 |
| admin.realclass.co.kr | 2024-07-20 | 3.36.157.175 |
| www.realclass.co.kr | 2024-07-08 | 3.163.24.77 |