These entries are queried from radb.net using whois, you can try my project getting these.
:AS140225 route: 103.148.214.0/23 descr: Data Future Communication origin: AS140225 mnt-by: MAINT-DATA-FUTURE-COMMUNICATION-BD country: BD mnt-routes: MAINT-DATA-FUTURE-COMMUNICATION-BD mnt-lower: MAINT-DATA-FUTURE-COMMUNICATION-BD last-modified: 2020-02-24T09:59:31Z source: APNIC rpki-ov-state: valid route: 103.148.214.0/24 descr: Data Future Communication origin: AS140225 mnt-by: MAINT-DATA-FUTURE-COMMUNICATION-BD country: BD mnt-routes: MAINT-DATA-FUTURE-COMMUNICATION-BD mnt-lower: MAINT-DATA-FUTURE-COMMUNICATION-BD last-modified: 2020-02-24T09:59:44Z source: APNIC rpki-ov-state: valid route: 103.148.215.0/24 descr: Data Future Communication origin: AS140225 mnt-by: MAINT-DATA-FUTURE-COMMUNICATION-BD country: BD mnt-routes: MAINT-DATA-FUTURE-COMMUNICATION-BD mnt-lower: MAINT-DATA-FUTURE-COMMUNICATION-BD last-modified: 2020-02-24T09:59:51Z source: APNIC rpki-ov-state: valid