These entries are queried from radb.net using whois, you can try my project getting these.
:AS270640 route: 177.70.240.0/22 descr: PROXY FOR OUR COSTUMER CONE origin: AS270640 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210705 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.70.240.0/22 origin: AS270640 descr: CUSTOMER CONNECT TELECOMUNICA??OES LTDA mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20201006 #18:55:07Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6f20::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS270640 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210705 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6f20::/32 origin: AS270640 descr: CUSTOMER CONNECT TELECOMUNICA??OES LTDA mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20201006 #18:55:57Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source