These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ESTER as-set: AS-ESTER descr: ESTER members: AS203816 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: CMTL-MNT created: 2015-11-12T07:23:36Z last-modified: 2020-10-31T11:53:12Z 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: ****************************