| Date | IP Address |
| 2021-04-15 | 49.50.169.202 (ClassC) |
| 2025-01-24 | 112.214.46.92 (ClassC) |
| 2025-03-09 | 101.235.211.88 (ClassC) |
| 2025-04-20 | 101.235.211.89 (ClassC) |
| 2025-05-20 | 112.214.46.91 (ClassC) |
| Date | Domain | IP |
| m.gcc2021.co.kr | 2024-12-20 | 49.50.169.202 |
| cdn.gcc2021.co.kr | 2025-01-24 | 112.214.46.92 |
| www.gcc2021.co.kr | 2025-04-22 | 49.50.169.202 |