| Date | IP Address |
| 2024-06-14 | 3.36.23.198 (ClassC) |
| 2024-07-20 | 15.164.249.52 (ClassC) |
| 2024-07-24 | 43.200.190.184 (ClassC) |
| 2024-08-08 | 43.200.94.71 (ClassC) |
| 2024-08-25 | 52.78.138.223 (ClassC) |
| 2024-11-05 | 13.209.222.20 (ClassC) |
| Date | Domain | IP |
| prod.attendance.api.blackboard.com | 2024-06-10 | 52.202.98.74 |
| kr.prod.attendance.api.blackboard.com | 2024-06-14 | 3.36.23.198 |