These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ZSSM as-set: AS-ZSSM descr: GUSS Customers members: AS9202 members: AS25029 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: NEV1-RIPE-MNT created: 2002-08-17T14:07:42Z last-modified: 2012-06-08T08:21:37Z 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: ****************************