These entries are queried from radb.net using whois, you can try my project getting these.
:AS149873 route: 103.189.226.0/23 origin: AS149873 descr: Route Object for 103.189.226.0/23 mnt-by: MAINT-MOBILECARE-BD mnt-by: MAINT-MOBILECARE-BD last-modified: 2022-08-25T07:23:14Z mnt-lower: MAINT-MOBILECARE-BD mnt-routes: MAINT-MOBILECARE-BD country: BD source: APNIC rpki-ov-state: valid route: 103.189.226.0/24 origin: AS149873 descr: Route Object for 103.189.226.0/24 mnt-by: MAINT-MOBILECARE-BD mnt-by: MAINT-MOBILECARE-BD last-modified: 2022-08-25T07:24:17Z mnt-lower: MAINT-MOBILECARE-BD mnt-routes: MAINT-MOBILECARE-BD country: BD source: APNIC rpki-ov-state: valid route: 103.189.227.0/24 origin: AS149873 descr: Route Object for 103.189.227.0/24 mnt-by: MAINT-MOBILECARE-BD last-modified: 2022-08-25T07:26:27Z mnt-lower: MAINT-MOBILECARE-BD mnt-routes: MAINT-MOBILECARE-BD country: BD source: APNIC rpki-ov-state: valid