These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ISV as-set: AS-ISV descr: Set of AS announced from TK ISV members: AS21379 members: AS31437 members: AS44892 members: AS208935 members: AS48650 members: AS13281 members: AS-CTISYSTEMS members: AS-IXC admin-c: DUMY-RIPE members: AS207085 tech-c: DUMY-RIPE mnt-by: DENISZ-MNT created: 2001-12-14T15:43:16Z last-modified: 2023-10-08T09:23:56Z 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: ****************************