These entries are queried from radb.net using whois, you can try my project getting these.
:AS-LINKPLUS as-set: AS-LINKPLUS descr: Link+ Ltd. Customer AS Numbers members: AS39401 members: AS44309 members: AS49040 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: MNT-SSARAEV created: 2007-11-18T12:52:23Z last-modified: 2018-02-11T16:36:40Z 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: ****************************