These entries are queried from radb.net using whois, you can try my project getting these.
:AS139780 route: 103.145.44.0/23 origin: AS139780 descr: SM Nazebul Khalib Jamil Nagarpur Sadar Bazar,Nagarpur mnt-by: MAINT-BIC-BD last-modified: 2022-11-16T16:39:08Z source: APNIC rpki-ov-state: valid route: 103.145.44.0/24 origin: AS139780 descr: Brother's ICT Connectivity mnt-by: MAINT-BIC-BD last-modified: 2019-11-11T18:34:09Z country: BD source: APNIC rpki-ov-state: valid route: 103.145.45.0/24 origin: AS139780 descr: SM Nazebul Khalib Jamil Nagarpur Sadar Bazar,Nagarpur mnt-by: MAINT-BIC-BD last-modified: 2021-04-24T09:58:08Z source: APNIC rpki-ov-state: valid route: 103.225.219.0/24 origin: AS139780 descr: MD TAMIM AHMED Daser Jongol Bazar mnt-by: MAINT-GON-BD last-modified: 2023-07-06T13:31:48Z source: APNIC rpki-ov-state: valid