| Date | IP Address |
| 2019-05-14 | 54.230.163.124 (ClassC) |
| 2019-05-14 | 54.230.163.13 (ClassC) |
| 2019-05-14 | 54.230.163.50 (ClassC) |
| 2024-05-18 | 52.219.93.144 (ClassC) |
| 2024-07-02 | 52.219.93.48 (ClassC) |
| 2024-07-20 | 52.219.102.208 (ClassC) |
| 2024-08-29 | 52.219.143.32 (ClassC) |
| 2024-09-30 | 16.12.65.232 (ClassC) |
| 2025-01-12 | 3.5.130.146 (ClassC) |
| 2025-02-26 | 3.5.128.181 (ClassC) |
| 2025-03-29 | 52.219.92.200 (ClassC) |
| 2025-08-11 | 52.219.228.40 (ClassC) |
| Date | Domain | IP |
| auth.dev.sejongculturalsociety.info | 2024-09-27 | 3.165.160.87 |
| api.dev.sejongculturalsociety.info | 2024-02-22 | 18.161.6.113 |