These entries are queried from radb.net using whois, you can try my project getting these.
:AS28152 route6: 2804:274c::/32 descr: Navinet origin: AS28152 mnt-by: MAINT-AS28152 notify: ig [at] navinet.com.br changed: noc [at] openx.com.br 20220630 remarks: Wed Jun 30 11:00:00 2022 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source