These entries are queried from radb.net using whois, you can try my project getting these.
:AS42756 route: 89.44.144.0/24 descr: QUARTZ MATRIX SRL origin: AS42756 mnt-by: QUARTZ-MATRIX-MNT created: 2012-05-06T05:27:04Z last-modified: 2012-05-06T05:27:04Z 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: valid