These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DURCHDIELUFT as-set: AS-DURCHDIELUFT org: ORG-DUDL1-RIPE descr: Dortmunder Urchdieluft Network descr: Germany members: AS35675 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: FREE-MNT mnt-by: FAUL-MNT created: 2005-11-13T12:58:57Z last-modified: 2005-11-13T12:58:57Z 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: ****************************