These entries are queried from radb.net using whois, you can try my project getting these.
:AS262877 route6: 2804:364::/32 descr: ITX-SAMM origin: AS262877 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180430 #12:07:48Z source: RADB last-modified: 2023-11-13T15:53:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source