These entries are queried from radb.net using whois, you can try my project getting these.
:AS394010 route: 199.230.30.0/23 descr: Proxy Registration for Silicon Business System by Telx origin: AS394010 mnt-by: MAINT-TELX changed: ipadmin [at] telx.com 20150716 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:121:1000::/44 descr: Proxy Registration for Silicon Business System by Telx origin: AS394010 mnt-by: MAINT-TELX changed: ipadmin [at] telx.com 20150717 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source