These entries are queried from radb.net using whois, you can try my project getting these.
:AS140600 route: 103.166.230.0/23 origin: AS140600 descr: Iftakhyrul Alam Sreenagar Bazar mnt-by: MAINT-MSNETZONE-BD last-modified: 2021-05-06T04:23:01Z source: APNIC rpki-ov-state: valid route: 103.166.230.0/24 origin: AS140600 descr: Iftakhyrul Alam Sreenagar Bazar mnt-by: MAINT-MSNETZONE-BD last-modified: 2021-05-06T04:20:15Z source: APNIC rpki-ov-state: valid route: 103.166.231.0/24 origin: AS140600 descr: Iftakhyrul Alam Sreenagar Bazar mnt-by: MAINT-MSNETZONE-BD last-modified: 2021-05-06T04:22:00Z source: APNIC rpki-ov-state: valid route6: 2001:df6:9d80::/48 origin: AS140600 descr: Iftakhyrul Alam Sreenagar Bazar mnt-by: MAINT-MSNETZONE-BD last-modified: 2021-07-06T15:14:20Z source: APNIC rpki-ov-state: valid