These entries are queried from radb.net using whois, you can try my project getting these.
:AS270477 route: 200.71.100.0/22 origin: AS270477 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fabio13muniz [at] gmail.com mnt-by: MAINT-AS270477 source: TC last-modified: 2021-12-22T22:00:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6c90::/32 origin: AS270477 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fabio13muniz [at] gmail.com mnt-by: MAINT-AS270477 source: TC last-modified: 2021-12-22T22:00:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source