These entries are queried from radb.net using whois, you can try my project getting these.
:AS-Flex-l as-set: AS-Flex-l descr: All AS Flex-L tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-ShatalinIV created: 2014-12-24T11:13:47Z last-modified: 2015-10-09T11:05:55Z source: RIPE members: AS201646 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: ****************************