These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ALTERNETWORK as-set: AS-ALTERNETWORK descr: Altercom JSC AS Macro members: AS50035 members: AS49828 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ALTERNET-MNT created: 2010-12-19T10:13:35Z last-modified: 2011-04-07T12:53:31Z 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: ****************************