These entries are queried from radb.net using whois, you can try my project getting these.
:AS-STBUR as-set: AS-STBUR descr: ASes routed by STBUR members: AS39054 members: AS8828 members: AS41592 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: STBUR-RIPE-MNT created: 2007-11-21T06:29:00Z last-modified: 2008-03-11T07:55:44Z 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: ****************************