These entries are queried from radb.net using whois, you can try my project getting these.
:AS269334 route6: 2804:6308::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS269334 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6308::/32 origin: AS269334 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: 2804:6308::/32 origin: AS269334 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 20191004 #18:32:22Z source: RADB last-modified: 2023-11-13T15:58:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source