These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TELESYSTEM as-set: AS-TELESYSTEM descr: AS routed by TELESYSTEM LLC members: AS57153 members: AS9122 members: AS57434 members: AS45036 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: TELESYSTEM-MNT created: 2011-11-22T23:02:05Z last-modified: 2018-08-30T20:02:18Z 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: ****************************