These entries are queried from radb.net using whois, you can try my project getting these.
:AS271398 route: 181.189.100.0/22 origin: AS271398 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: rodrigo.bueno24 [at] hotmail.com mnt-by: MAINT-AS271398 source: TC last-modified: 2022-01-19T11:42:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ae4::/32 origin: AS271398 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: rodrigo.bueno24 [at] hotmail.com mnt-by: MAINT-AS271398 source: TC last-modified: 2022-01-19T11:42:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source