These entries are queried from radb.net using whois, you can try my project getting these.
:AS270503 route: 24.152.92.0/22 origin: AS270503 descr: AS270503 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20210707 #11:08:21Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.92.0/22 descr: SAMUEL FERREIRA SOARES CAMPOS NET-ME origin: AS270503 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS270503 changed: db-admin [at] bgp.net.br 20200331 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: 24.152.92.0/24 origin: AS270503 descr: *Proxy route to test* mnt-by: MAINT-AS37468 changed: frederico.oliveira [at] angolacables.co.ao 20200423 #19:25:53Z source: RADB last-modified: 2023-11-13T16:00:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cf4::/32 origin: AS270503 descr: Route object created for customer AS270503 mnt-by: MAINT-AS61568 notify: noc [at] alootelecom.com.br changed: noc [at] alootelecom.com.br 20200624 #18:56:59Z source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source