These entries are queried from radb.net using whois, you can try my project getting these.
:AS210294 route: 185.174.220.0/23 origin: AS210294 mnt-by: MNT-UKRDOMEN created: 2018-09-07T08:42:39Z last-modified: 2018-09-07T08:42:39Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source