These entries are queried from radb.net using whois, you can try my project getting these.
:AS142058 route: 103.166.38.0/23 origin: AS142058 descr: Md Mamun Ahmed Sujon 22/2, Dakeshwari Road mnt-by: MAINT-FASTNETWORK-BD last-modified: 2021-04-15T07:04:31Z source: APNIC rpki-ov-state: valid route: 103.166.38.0/24 origin: AS142058 descr: Md Mamun Ahmed Sujon 22/2, Dakeshwari Road mnt-by: MAINT-FASTNETWORK-BD last-modified: 2021-06-09T07:17:45Z source: APNIC rpki-ov-state: valid route: 103.166.39.0/24 origin: AS142058 descr: Md Mamun Ahmed Sujon 22/2, Dakeshwari Road mnt-by: MAINT-FASTNETWORK-BD last-modified: 2021-06-09T07:18:12Z source: APNIC rpki-ov-state: valid route6: 2407:4fc0::/32 origin: AS142058 descr: Md Mamun Ahmed Sujon 22/2, Dakeshwari Road mnt-by: MAINT-FASTNETWORK-BD last-modified: 2021-04-15T07:04:53Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source