These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NETHIT as-set: AS-NETHIT descr: Nethit AS object members: AS42122 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: NETHIT-MNT created: 2006-12-27T19:40:06Z last-modified: 2010-03-21T09:39:42Z 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: ****************************