| Date | IP Address |
| 2024-07-18 | 18.154.219.117 (ClassC) |
| 2025-05-18 | 204.246.191.118 (ClassC) |
| 2025-08-01 | 204.246.191.106 (ClassC) |
| Date | Domain | IP |
| app.lab.3o3.co.kr | 2025-08-01 | 18.161.6.69 |
| mconfig.3o3.co.kr | 2024-07-19 | 204.246.191.73 |
| admin.3o3.co.kr | 2024-11-09 | 18.161.6.79 |
| app.3o3.co.kr | 2022-02-28 | 108.159.227.123 |
| app.plus.3o3.co.kr | 2025-05-18 | 204.246.191.118 |
| api.vat.3o3.co.kr | 2024-08-29 | 3.37.24.44 |
| app.vat.3o3.co.kr | 2025-05-18 | 204.246.191.67 |
| app.expert.3o3.co.kr | 2025-01-22 | 3.163.158.81 |
| mconfig.dev.3o3.co.kr | 2025-07-16 | 99.84.66.7 |
| www.3o3.co.kr | 2023-11-01 | 54.219.121.125 |
| app.money.3o3.co.kr | 2025-03-22 | 13.224.14.68 |