| Date | IP Address |
| 2024-05-10 | 99.84.66.22 (ClassC) |
| 2024-06-07 | 99.84.191.112 (ClassC) |
| 2024-10-27 | 204.246.191.72 (ClassC) |
| 2024-11-22 | 99.84.66.124 (ClassC) |
| 2025-01-19 | 3.163.189.82 (ClassC) |
| 2025-01-30 | 3.163.189.2 (ClassC) |
| 2025-02-09 | 3.163.189.65 (ClassC) |
| 2025-02-19 | 204.246.191.99 (ClassC) |
| 2025-03-23 | 3.161.150.122 (ClassC) |
| 2025-03-23 | 3.161.150.47 (ClassC) |
| 2025-03-23 | 3.161.150.91 (ClassC) |
| 2025-05-09 | 204.246.191.122 (ClassC) |
| 2025-09-18 | 204.246.191.109 (ClassC) |
| 2026-01-21 | 3.169.173.71 (ClassC) |
| 2026-02-04 | 3.169.173.57 (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 |