| Date | IP Address |
| 2020-11-05 | 52.85.224.68 (ClassC) |
| 2020-11-05 | 52.85.224.30 (ClassC) |
| 2021-08-16 | 143.204.166.62 (ClassC) |
| 2021-08-16 | 143.204.166.65 (ClassC) |
| 2024-11-15 | 99.84.66.65 (ClassC) |
| 2025-04-17 | 99.84.66.86 (ClassC) |
| 2025-08-16 | 99.84.66.78 (ClassC) |
| 2025-09-03 | 99.84.66.17 (ClassC) |
| 2025-10-08 | 3.169.173.19 (ClassC) |
| Date | Domain | IP |
| doc.coursemos.co.kr | 2024-07-26 | 18.161.6.39 |
| cmapi.coursemos.co.kr | 2024-11-15 | 99.84.66.65 |
| support.coursemos.co.kr | 2025-05-03 | 43.201.240.121 |
| www.coursemos.co.kr | 2025-08-28 | 43.201.240.121 |