These entries are queried from radb.net using whois, you can try my project getting these.
:AS136275 route: 103.165.162.0/23 origin: AS136275 descr: FAST LINKBD DOT NET mnt-by: MAINT-FBDN-BD last-modified: 2022-03-05T18:02:00Z country: BD source: APNIC rpki-ov-state: valid route: 103.165.162.0/24 origin: AS136275 descr: FAST LINKBD DOT NET mnt-by: MAINT-FBDN-BD last-modified: 2022-03-05T18:01:39Z country: BD source: APNIC rpki-ov-state: valid route: 103.165.163.0/24 origin: AS136275 descr: FAST LINKBD DOT NET mnt-by: MAINT-FBDN-BD last-modified: 2022-03-05T18:02:00Z country: BD source: APNIC rpki-ov-state: valid route6: 2001:df6:6980::/48 origin: AS136275 descr: FAST LINK BD DOT NET mnt-by: MAINT-FBDN-BD last-modified: 2024-02-19T13:57:01Z country: BD source: APNIC rpki-ov-state: valid