These entries are queried from radb.net using whois, you can try my project getting these.
:AS271496 route: 181.224.48.0/22 origin: AS271496 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: andrediretor [at] bnetrio.com.br mnt-by: MAINT-AS271496 source: TC last-modified: 2022-02-16T15:22:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 181.224.48.0/22 origin: AS271496 descr: BNET RIO PROVEDOR DE ACESSO A INTERNET EIRELI mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20220218 #17:37:08Z source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7c70::/32 origin: AS271496 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: andrediretor [at] bnetrio.com.br mnt-by: MAINT-AS271496 source: TC last-modified: 2022-02-16T15:22:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7c70::/32 origin: AS271496 descr: BNET RIO PROVEDOR DE ACESSO A INTERNET EIRELI mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20220218 #17:37:45Z source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source