These entries are queried from radb.net using whois, you can try my project getting these.
:AS142407 route: 103.168.8.0/24 origin: AS142407 descr: Salauddin Mahmud Boro Chandrail, Dhamrai, Dhaka-1350 mnt-by: MAINT-SALAUDDINCYBERNET-BD last-modified: 2021-06-27T15:52:08Z source: APNIC rpki-ov-state: valid route: 103.168.9.0/24 origin: AS142407 descr: Salauddin Mahmud Boro Chandrail, Dhamrai, Dhaka-1350 mnt-by: MAINT-SALAUDDINCYBERNET-BD last-modified: 2021-06-27T15:52:42Z source: APNIC rpki-ov-state: valid route6: 2407:7ac0::/32 origin: AS142407 descr: Salauddin Mahmud Boro Chandrail, Dhamrai, Dhaka-1350 mnt-by: MAINT-SALAUDDINCYBERNET-BD last-modified: 2021-06-27T15:53:20Z source: APNIC rpki-ov-state: valid