These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ANTIK as-set: AS-ANTIK descr: Antik Cutomers and Transit members: AS42841 members: AS44001 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ANTK-MNT created: 2007-07-28T11:19:55Z last-modified: 2014-04-23T11:37:33Z 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: ****************************