These entries are queried from radb.net using whois, you can try my project getting these.
:AS134841 route: 103.139.132.0/24 origin: AS134841 descr: Md Mizanur Rahman Plot-10, Taher Tower, Shop-309 (3rd floor), Gulshan-2, Dhaka-1212 mnt-by: MAINT-SBCN-BD last-modified: 2019-08-06T12:08:51Z source: APNIC rpki-ov-state: valid route: 103.139.133.0/24 origin: AS134841 descr: Md Mizanur Rahman Plot-10, Taher Tower, Shop-309 (3rd floor), Gulshan-2, Dhaka-1212 mnt-by: MAINT-SBCN-BD last-modified: 2021-06-02T08:04:33Z source: APNIC rpki-ov-state: valid route: 103.203.92.0/22 descr: IBCCL MAIN BLOCK origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-05T11:16:39Z source: APNIC rpki-ov-state: valid route: 103.203.92.0/23 descr: IBCCL BLOCK origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-06T10:16:46Z source: APNIC rpki-ov-state: valid route: 103.203.92.0/24 descr: IBCCL BLOCK 1 origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-05T11:15:04Z source: APNIC rpki-ov-state: valid route: 103.203.93.0/24 descr: IBCCL BLOCK 2 origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-05T11:15:30Z source: APNIC rpki-ov-state: valid route: 103.203.94.0/23 descr: IBCCL BLOCK origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-06T10:18:24Z source: APNIC rpki-ov-state: valid route: 103.203.94.0/24 descr: IBCCL BLOCK 3 origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-05T11:15:56Z source: APNIC rpki-ov-state: valid route: 103.203.95.0/24 descr: IBCCL BLOCK 4 origin: AS134841 mnt-by: MAINT-IBCCL-BD last-modified: 2015-12-05T11:16:10Z source: APNIC rpki-ov-state: valid