These entries are queried from radb.net using whois, you can try my project getting these.
:AS270768 route: 190.8.20.0/22 origin: AS270768 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20200824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7120::/32 origin: AS270768 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20200824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7120::/32 origin: AS270768 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. mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200603 #13:13:09Z source: RADB last-modified: 2023-11-13T16:00:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source