| Date | IP Address |
| 2020-11-16 | 140.249.61.208 (ClassC) |
| 2020-11-16 | 122.228.7.243 (ClassC) |
| 2020-11-16 | 125.77.142.184 (ClassC) |
| 2024-08-09 | 124.236.97.249 (ClassC) |
| 2024-12-09 | 122.228.207.55 (ClassC) |
| 2025-11-03 | 148.153.188.147 (ClassC) |
| Date | Domain | IP |
| glp-data.hcdlearning.com | 2024-12-21 | 47.246.23.240 |
| b.hcdlearning.com | 2025-05-14 | 39.100.27.68 |
| bplus-resource.hcdlearning.com | 2024-08-06 | 42.101.4.41 |
| cdn-res.cm-g.hcdlearning.com | 2024-08-09 | 124.236.97.249 |
| video-cdn.hcdlearning.com | 2024-04-19 | 117.185.129.135 |
| cdn.belbin.hcdlearning.com | 2024-08-30 | 124.236.97.249 |
| ali-service.glp.hcdlearning.com | 2025-11-02 | 39.100.27.68 |