| Date | IP Address |
| 2025-07-07 | 13.124.217.77 (ClassC) |
| 2025-10-17 | 13.209.146.98 (ClassC) |
| 2025-11-21 | 3.35.115.70 (ClassC) |
| Date | Domain | IP |
| web.echoss.co.kr | 2024-07-01 | 52.219.163.31 |
| platform-function.echoss.co.kr | 2025-10-17 | 13.209.146.98 |
| japanauthdev.echoss.co.kr | 2024-12-27 | 18.182.192.229 |
| japanapidev.echoss.co.kr | 2025-11-19 | 52.192.61.162 |