These entries are queried from radb.net using whois, you can try my project getting these.
:AS270535 route: 189.50.212.0/22 origin: AS270535 descr: Proxy Route Object AS270535 mnt-by: MAINT-AS264997 changed: flavio [at] directtelecom.com.br 20210513 #04:41:29Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6d78::/32 origin: AS270535 descr: Proxy Route Object AS270535 mnt-by: MAINT-AS264997 changed: flavio [at] directtelecom.com.br 20210513 #04:45:24Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source