These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ZAVOLGA-NET as-set: AS-ZAVOLGA-NET descr: Zavolga.Net members: AS45005 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ZAVOLGA-NET-MNT created: 2011-04-24T11:46:03Z last-modified: 2011-04-24T11:46:03Z 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: ****************************