| Date | IP Address |
| 2024-10-18 | 3.163.165.46 (ClassC) |
| 2025-08-10 | 3.163.24.104 (ClassC) |
| 2025-08-18 | 3.163.24.19 (ClassC) |
| 2025-08-21 | 3.163.24.100 (ClassC) |
| 2025-10-19 | 3.163.24.31 (ClassC) |
| Date | Domain | IP |
| board.cpbc.co.kr | 2024-11-24 | 52.78.237.65 |
| log.cpbc.co.kr | 2025-10-18 | 3.175.34.83 |
| program.cpbc.co.kr | 2024-10-18 | 3.163.165.46 |
| apis.cpbc.co.kr | 2024-11-25 | 18.161.6.72 |
| www.cpbc.co.kr | 2023-11-01 | 204.246.191.109 |