These entries are queried from radb.net using whois, you can try my project getting these.
:AS61927 route6: 2804:1848::/32 origin: AS61927 descr: ITX-OPCAOTELECOM mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190417 #13:46:08Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source