These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ZKNET as-set: AS-ZKNET members: AS211270 tech-c: DUMY-RIPE admin-c: DUMY-RIPE created: 2022-03-29T09:01:34Z last-modified: 2022-03-29T09:03:54Z source: RIPE mnt-by: CXNi-MNT 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: ****************************