| Date | IP Address |
| 2016-11-06 | 199.83.134.139 (ClassC) |
| 2021-05-26 | 34.195.116.85 (ClassC) |
| 2024-08-01 | 107.162.228.20 (ClassC) |
| 2024-09-21 | 107.162.188.50 (ClassC) |
| 2025-05-01 | 151.101.66.37 (ClassC) |
| 2025-07-02 | 151.101.130.37 (ClassC) |
| 2025-08-03 | 151.101.2.37 (ClassC) |
| Date | Domain | IP |
| ejhs.jcsdk12.org | 2025-04-07 | 151.101.2.37 |
| tjhs.jcsdk12.org | 2024-08-01 | 107.162.228.20 |
| www.jcsdk12.org | 2025-04-21 | 151.101.194.37 |