These entries are queried from radb.net using whois, you can try my project getting these.
:AS262748 route6: 2804:cac::/32 origin: AS262748 descr: DB3 changed: noc [at] internexa.com 20181211 #21:15:50Z source: RADB mnt-by: MAINT-AS18678 last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source