These entries are queried from radb.net using whois, you can try my project getting these.
:AS151422 route: 103.228.38.0/23 origin: AS151422 descr: Unified Information Technology Limited PBL Tower 12th floor, 17 new Gulshan North C/A, Dhaka 1212, Bangladesh. mnt-by: MAINT-UITL-BD last-modified: 2023-06-24T10:42:23Z source: APNIC rpki-ov-state: valid route: 103.228.38.0/24 origin: AS151422 descr: Unified Information Technology Limited PBL Tower 12th floor, 17 new Gulshan North C/A, Dhaka 1212, Bangladesh. mnt-by: MAINT-UITL-BD last-modified: 2023-06-24T10:42:24Z source: APNIC rpki-ov-state: valid route: 103.228.39.0/24 origin: AS151422 descr: Unified Information Technology Limited PBL Tower 12th floor, 17 new Gulshan North C/A, Dhaka 1212, Bangladesh. mnt-by: MAINT-UITL-BD last-modified: 2023-06-24T10:42:24Z source: APNIC rpki-ov-state: valid