| Date | IP Address |
| 2023-09-14 | 69.12.91.69 (ClassC) |
| 2024-10-22 | 103.163.247.179 (ClassC) |
| 2025-01-13 | 103.159.37.24 (ClassC) |
| 2025-06-26 | 167.235.96.38 (ClassC) |
| 2025-09-10 | 136.243.75.67 (ClassC) |
| 2026-02-13 | 172.67.194.150 (ClassC) |
| Date | Domain | IP |
| mail.jhrcdb.edu.bd | 2024-10-22 | 103.159.37.24 |
| www.jhrcdb.edu.bd | 2024-10-23 | 103.159.37.24 |