These entries are queried from radb.net using whois, you can try my project getting these.
:AS52159 route: 188.241.19.0/24 descr: BAUM SRL origin: AS52159 mnt-by: BAUM-MNT mnt-by: RO-MNT created: 2011-01-19T03:46:58Z last-modified: 2015-05-20T16:15:56Z 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: valid