These entries are queried from radb.net using whois, you can try my project getting these.
:AS139239 route: 103.140.62.0/23 origin: AS139239 descr: Md Reza Biplob Gouhar Plaza (2nd Floor) Shathmatha Bogura-5800 mnt-by: MAINT-BOGRAINFOCOM-BD last-modified: 2020-01-19T12:46:40Z country: BD source: APNIC rpki-ov-state: valid route: 103.140.62.0/24 origin: AS139239 descr: Md Reza Biplob Gouhar Plaza (2nd Floor) Shathmatha Bogura-5800 mnt-by: MAINT-BOGRAINFOCOM-BD last-modified: 2020-01-19T12:47:08Z country: BD source: APNIC rpki-ov-state: valid route: 103.140.63.0/24 origin: AS139239 descr: Md Reza Biplob Gouhar Plaza (2nd Floor) Shathmatha Bogura-5800 mnt-by: MAINT-BOGRAINFOCOM-BD last-modified: 2020-01-19T12:47:37Z country: BD source: APNIC rpki-ov-state: valid