These entries are queried from radb.net using whois, you can try my project getting these.
:AS132294 route: 103.166.47.0/24 descr: Elenga Dot Net country: BD origin: AS132294 mnt-by: MAINT-ELENGADOTNET-BD last-modified: 2021-04-22T16:49:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source