These entries are queried from radb.net using whois, you can try my project getting these.
:AS45749 route: 203.89.132.0/24 descr: Route object for Amadeus, organization responsible for route descr: object is ******** / ******** origin: AS45749 mnt-by: MAINT-AMADEUS-IN last-modified: 2009-04-23T01:52:34Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source