These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SN as-set: as-sn descr: Servanet Customers members: AS31507 members: AS61146 members: AS31634 members: AS62463 members: AS42542 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SERVANET-MNT created: 2009-03-17T08:25:08Z last-modified: 2013-12-18T08:53:20Z 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: ****************************