| Date | IP Address |
| 2019-06-12 | 183.131.200.86 (ClassC) |
| 2020-06-12 | 218.92.0.59 (ClassC) |
| 2020-06-12 | 49.79.239.72 (ClassC) |
| 2021-06-11 | 124.225.167.200 (ClassC) |
| 2022-06-14 | 171.220.230.142 (ClassC) |
| 2022-06-14 | 124.239.240.78 (ClassC) |
| 2024-10-08 | 110.40.32.156 (ClassC) |
| 2024-12-07 | 183.60.150.17 (ClassC) |
| 2025-01-13 | 122.228.207.55 (ClassC) |
| Date | Domain | IP |
| assets.exam.koocoding.com | 2024-06-27 | 122.228.207.55 |
| assets.koocoding.com | 2024-10-08 | 110.40.32.156 |