These entries are queried from radb.net using whois, you can try my project getting these.
:AS267294 route: 45.233.48.0/22 descr: geracao real banda larga eireli origin: AS267294 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS267294 changed: db-admin [at] bgp.net.br 20201028 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.48.0/22 descr: G8 Customer Proxy Route origin: AS267294 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200413 source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.50.0/24 origin: AS267294 descr: geracao real banda larga eireli - Inalan mnt-by: MAINT-AS53231 changed: fred [at] hostfiber.com.br 20201113 #20:09:32Z source: RADB last-modified: 2023-11-13T16:02:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4b44::/32 descr: G8 Customer Proxy Route origin: AS267294 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200413 source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source