These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ZEXOTEK as-set: AS-ZEXOTEK descr: ZeXoTeK IT-Services GmbH members: AS8649 members: AS197160 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-ZEXOTEK created: 2011-06-03T06:51:00Z last-modified: 2021-12-31T23:29:26Z 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: ****************************