These entries are queried from radb.net using whois, you can try my project getting these.
:AS9189 route: 193.28.5.0/24 descr: Proxy-registered route object origin: AS9189 mnt-by: MAINT-AS3491 changed: jray [at] pccwglobal.com 20080321 #02:46:26(UTC) source: RADB last-modified: 2023-11-13T15:42:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source