These entries are queried from radb.net using whois, you can try my project getting these.
:AS54130 route: 204.52.10.0/24 descr: Proxy Registration for AFBA by Digital Realty origin: AS54130 mnt-by: MAINT-TELX changed: ipadmin [at] telx.com 20220107 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source