These entries are queried from radb.net using whois, you can try my project getting these.
:AS38050 route: 203.190.252.0/24 descr: CPA Australia origin: AS38050 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060620 source: RADB last-modified: 2023-11-13T16:04:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.190.253.0/24 descr: CPA Australia origin: AS38050 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060620 source: RADB last-modified: 2023-11-13T16:04:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source