These entries are queried from radb.net using whois, you can try my project getting these.
:AS140069 route: 103.148.12.0/23 country: BD origin: AS140069 descr: Farhad Bin Ferdous Boro Pokurpar Govt. Primary School Road,South Chartha mnt-by: MAINT-DTO-CML-BD last-modified: 2020-02-02T07:17:31Z source: APNIC rpki-ov-state: valid route: 103.148.12.0/24 country: BD origin: AS140069 descr: Farhad Bin Ferdous Boro Pokurpar Govt. Primary School Road,South Chartha mnt-by: MAINT-DTO-CML-BD last-modified: 2020-02-02T07:18:11Z source: APNIC rpki-ov-state: valid route: 103.148.13.0/24 country: BD origin: AS140069 descr: Farhad Bin Ferdous Boro Pokurpar Govt. Primary School Road,South Chartha mnt-by: MAINT-DTO-CML-BD last-modified: 2020-02-02T07:19:07Z source: APNIC rpki-ov-state: valid route6: 2001:df1:adc0::/48 descr: Dream Touch Online BD origin: AS140069 mnt-by: MAINT-DTO-CML-BD last-modified: 2022-12-12T06:25:10Z source: APNIC rpki-ov-state: valid