These entries are queried from radb.net using whois, you can try my project getting these.
:AS53103 route: 187.103.176.0/20 descr: GEGNET origin: AS53103 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190422 #20:16:23Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source