These entries are queried from radb.net using whois, you can try my project getting these.
:AS31014 route: 193.28.250.0/24 descr: DeltaStock specific announce origin: AS31014 notify: registry-ripe [at] spnet.net mnt-by: SPNET-MNT created: 2004-02-05T12:22:14Z last-modified: 2010-09-14T14:54:12Z 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