These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DATACLUB as-set: AS-DATACLUB descr: DATACLUB S.A. members: AS52048 members: AS203339 members: AS202920 members: AS48721 members: AS203526 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: DATACLUB-MNT created: 2013-04-01T12:16:20Z last-modified: 2018-10-23T13:28:37Z 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: ****************************