These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ZENON as-set: AS-ZENON descr: ZENON N.S.P. AS list. members: AS6903 members: AS35718 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: AS6903-MNT created: 2002-09-25T10:12:17Z last-modified: 2018-11-30T06:08:48Z 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: ****************************