| Date | IP Address |
| 2022-03-08 | 54.192.192.21 (ClassC) |
| 2022-04-29 | 52.85.130.98 (ClassC) |
| 2024-07-19 | 204.246.191.73 (ClassC) |
| 2024-09-01 | 204.246.191.115 (ClassC) |
| 2024-10-12 | 204.246.191.12 (ClassC) |
| 2024-11-10 | 204.246.191.89 (ClassC) |
| Date | Domain | IP |
| 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 |
| api.vat.3o3.co.kr | 2024-08-29 | 3.37.24.44 |
| app.expert.3o3.co.kr | 2024-08-18 | 18.161.6.22 |
| www.3o3.co.kr | 2023-11-01 | 54.219.121.125 |