These entries are queried from radb.net using whois, you can try my project getting these.
:AS-STACK as-set: AS-STACK descr: Stack Ltd ASes members: AS16083 members: AS200044 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: STACK-MNT created: 2002-04-18T12:23:54Z last-modified: 2024-01-24T07:57:56Z 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: ****************************