These entries are queried from radb.net using whois, you can try my project getting these.
:AS139813 route: 103.145.134.0/24 origin: AS139813 descr: Enamul Haque Aimen Solaiman Pelace, Khotiberhat, Panchlish mnt-by: MAINT-SMARTONLINE-BD last-modified: 2019-12-30T11:12:19Z source: APNIC rpki-ov-state: valid route: 103.145.135.0/24 origin: AS139813 descr: Enamul Haque Aimen Solaiman Pelace, Khotiberhat, Panchlish mnt-by: MAINT-SMARTONLINE-BD last-modified: 2019-12-30T11:12:37Z source: APNIC rpki-ov-state: valid