These entries are queried from radb.net using whois, you can try my project getting these.
:AS47590 route: 91.206.125.0/24 descr: Alvarium origin: AS47590 mnt-by: AS6702-MNT mnt-by: ALVARIUM-MNT mnt-by: TERANET-MNT mnt-by: MC32020-MNT created: 2017-08-04T07:38:04Z last-modified: 2017-08-04T07:38:04Z 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