These entries are queried from radb.net using whois, you can try my project getting these.
:AS268840 route: 45.173.236.0/22 descr: CAVALCANTE & HERCULANO LTDA origin: AS268840 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS268840 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: 45.173.236.0/22 origin: AS268840 descr: AS268840 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190423 #18:02:24Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b64::/32 origin: AS268840 descr: AS268840 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190423 #18:09:02Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b64::/33 origin: AS268840 descr: AS268840 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20190423 #18:11:04Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source