These entries are queried from radb.net using whois, you can try my project getting these.
:AS270552 route: 189.50.216.0/22 origin: AS270552 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: wellisonwcl [at] hotmail.com mnt-by: MAINT-AS270552 source: TC last-modified: 2022-01-03T13:26:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.216.0/22 descr: WCL TELECOM origin: AS270552 mnt-by: MAINT-AS268200 changed: noc [at] liveinternet.com.br 20221201 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6dbc::/32 origin: AS270552 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: wellisonwcl [at] hotmail.com mnt-by: MAINT-AS270552 source: TC last-modified: 2022-01-03T13:26:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6dbc::/32 descr: WCL TELECOM origin: AS270552 mnt-by: MAINT-AS268200 changed: noc [at] liveinternet.com.br 20221201 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6dbc::/32 descr: G8 Customer Proxy Route origin: AS270552 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210806 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source