| Date | IP Address |
| 2025-04-07 | 18.245.96.18 (ClassC) |
| 2025-04-07 | 18.245.96.75 (ClassC) |
| 2025-10-18 | 3.175.34.83 (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 |