These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DMDATADK as-set: AS-DMDATADK descr: IBM SDC-DK and customers members: AS25384 members: AS12483 members: AS12980 members: AS15423 members: AS34506 members: AS199773 members: AS29331 members: AS-WMDATASE tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: DMDATA-MNT created: 2003-01-17T06:45:10Z last-modified: 2017-02-23T17:22:31Z 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: ****************************