These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ITREGION as-set: AS-ITREGION descr: IT-Region network members: AS43966 members: AS48234 members: AS50741 members: AS50870 members: AS44270 members: AS29493 members: AS24960 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ITREGION-MNT created: 2008-12-09T17:05:52Z last-modified: 2020-10-30T23:12:26Z 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: ****************************