| Date | IP Address |
| 2023-09-13 | 108.156.211.40 (ClassC) |
| 2023-11-01 | 204.246.191.109 (ClassC) |
| 2023-12-01 | 204.246.191.99 (ClassC) |
| 2024-08-28 | 108.156.2.8 (ClassC) |
| 2024-11-24 | 99.84.66.23 (ClassC) |
| 2025-01-16 | 204.246.191.72 (ClassC) |
| 2025-09-25 | 3.163.189.65 (ClassC) |
| 2026-01-24 | 3.169.173.71 (ClassC) |
| 2026-02-25 | 3.169.173.32 (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 |