These entries are queried from radb.net using whois, you can try my project getting these.
:AS-IRSA as-set: AS-IRSA descr: AS-IRSA-AS-SET tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: IRSA-MNT members: AS50558 members: AS56796 created: 2013-04-27T14:40:28Z last-modified: 2013-04-28T09:18:07Z 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: ****************************