These entries are queried from radb.net using whois, you can try my project getting these.
:AS263286 route: 177.8.156.0/22 descr: G8 Customer Proxy Route origin: AS263286 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1670::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS263286 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200728 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source