| Date | IP Address |
| 2023-05-22 | 40.99.226.72 (ClassC) |
| 2023-05-22 | 52.96.229.136 (ClassC) |
| 2025-12-11 | 52.96.91.56 (ClassC) |
| Date | Domain | IP |
| autodiscover.khcho-e.cbe.go.kr | 2025-12-11 | 52.96.91.56 |
| autodiscover.hyeondo-m.cbe.go.kr | 2025-01-02 | 40.97.205.24 |
| spam.cbe.go.kr | 2014-06-17 | 210.106.100.6 |
| edu.cbe.go.kr | 2024-12-24 | 182.162.15.211 |
| www.cbe.go.kr | 2015-06-09 | 210.106.100.11 |