These entries are queried from radb.net using whois, you can try my project getting these.
:AS273597 route6: 2804:8954::/32 origin: AS273597 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: emersonmarcoss [at] outlook.com mnt-by: MAINT-AS273597 source: TC last-modified: 2022-10-17T15:43:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source