These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ITSOFT as-set: AS-ITSOFT members: AS208541 members: AS202144 members: AS48614 members: AS57518 members: AS56552 members: AS60639 members: AS56425 members: AS49492 descr: ASes routed by ITSoft tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-ITSOFT created: 2011-05-31T19:10:28Z last-modified: 2023-02-28T12:46:41Z 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: ****************************