These entries are queried from radb.net using whois, you can try my project getting these.
:AS136813 route: 103.97.120.0/22 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2017-12-31T07:15:56Z source: APNIC rpki-ov-state: valid route: 103.97.120.0/23 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:42Z source: APNIC rpki-ov-state: valid route: 103.97.120.0/24 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:43Z source: APNIC rpki-ov-state: valid route: 103.97.121.0/24 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:43Z source: APNIC rpki-ov-state: valid route: 103.97.122.0/23 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:43Z source: APNIC rpki-ov-state: valid route: 103.97.122.0/24 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:44Z source: APNIC rpki-ov-state: valid route: 103.97.123.0/24 origin: AS136813 descr: NCC Bank, Bangladesh NCC Bank Bhaban, 13/1 Toyenbee Circular Road, Motijheel C/A mnt-by: MAINT-NBB-BD last-modified: 2019-11-12T04:01:44Z source: APNIC rpki-ov-state: valid