These entries are queried from radb.net using whois, you can try my project getting these.
:AS139270 route: 103.140.166.0/23 origin: AS139270 descr: Md. Abu Taher Miah (Pentu) Khandoker Plaza, Sonargaon, Narayoungonj mnt-by: MAINT-ACCESS4-BD last-modified: 2019-08-05T11:46:01Z source: APNIC rpki-ov-state: valid route: 103.140.167.0/24 origin: AS139270 descr: Md. Abu Taher Miah (Pentu) Khandoker Plaza, Sonargaon, Narayoungonj mnt-by: MAINT-ACCESS4-BD last-modified: 2020-12-12T09:11:43Z source: APNIC rpki-ov-state: valid route6: 2001:df0:ca80::/48 origin: AS139270 descr: Md. Abu Taher Miah (Pentu) Khandoker Plaza, Sonargaon, Narayoungonj mnt-by: MAINT-ACCESS4-BD last-modified: 2020-12-13T10:48:16Z source: APNIC rpki-ov-state: valid