These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TKNET as-set: as-tknet descr: tknet as-set tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: mininet-mnt created: 2014-03-13T05:11:24Z last-modified: 2015-11-16T09:14:13Z source: RIPE members: AS47951 members: AS197923 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: ****************************