These entries are queried from radb.net using whois, you can try my project getting these.
:AS-AVITI as-set: AS-AVITI descr: AVITI AS-SET members: AS21437 members: AS24618 members: AS34379 members: AS30790 members: AS21500 members: AS31598 members: AS20709 members: AS41825 members: AS43110 members: AS44117 members: AS44596 members: AS45042 members: AS47725 members: AS49359 members: AS49389 members: AS50297 members: AS8772 members: AS209651 members: AS50297 members: AS51738 members: AS42222 members: AS31187 members: AS43261 members: AS-STEALTH-KH members: AS56851 members: AS198633 members: AS8254 members: AS43832 members: AS61214 members: AS60455 members: AS15800 members: AS202785 members: AS204197 members: AS204455 members: AS203948 members: AS48471 members: AS204197 members: AS202785 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: AVITI-MNT created: 2005-03-02T16:18:30Z last-modified: 2020-03-24T19:02:19Z 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: ****************************