These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CONVEYPLUS as-set: AS-CONVEYPLUS descr: AO "TK CONVEY PLUS" Networks members: AS13215 members: AS60346 members: AS202181 members: AS202642 members: AS204048 members: AS206536 members: AS213067 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: CPLUS1-MNT created: 2007-08-20T11:42:31Z last-modified: 2022-11-22T02:59:18Z 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: ****************************