These entries are queried from radb.net using whois, you can try my project getting these.
:AS141423 route: 103.159.0.0/23 mnt-by: MAINT-UFCL-BD mnt-routes: MAINT-UFCL-BD origin: AS141423 descr: UCB FinTech Company Ltd Plot - CWS- (A)-1 Road No - 34 Gulshan Avenue last-modified: 2020-11-25T10:10:46Z source: APNIC rpki-ov-state: valid route: 103.159.0.0/24 mnt-by: MAINT-UFCL-BD mnt-routes: MAINT-UFCL-BD origin: AS141423 descr: UCB FinTech Company Ltd Plot - CWS- (A)-1 Road No - 34 Gulshan Avenue last-modified: 2020-11-25T10:11:17Z source: APNIC rpki-ov-state: valid route: 103.159.1.0/24 mnt-by: MAINT-UFCL-BD mnt-routes: MAINT-UFCL-BD origin: AS141423 descr: UCB FinTech Company Ltd Plot - CWS- (A)-1 Road No - 34 Gulshan Avenue last-modified: 2020-11-25T10:11:47Z source: APNIC rpki-ov-state: valid