These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ULTRACOM as-set: AS-ULTRACOM descr: Ultracom Ltd. tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: IPACCT-MNT mnt-by: SPNET-MNT members: AS42794 members: AS59466 members: AS-EUROXP created: 2015-04-01T17:36:29Z last-modified: 2022-09-27T09:55:25Z 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: ****************************