These entries are queried from radb.net using whois, you can try my project getting these.
:AS-I-NET as-set: AS-I-NET descr: ASNs members of AS60447 tech-c: DUMY-RIPE admin-c: DUMY-RIPE members: AS60447 members: AS60966 members: AS199230 members: AS39833 members: AS209564 members: AS44077 members: AS49072 mnt-by: bg-i-net-1-mnt mnt-by: I-NETBG created: 2015-12-14T14:06:12Z last-modified: 2023-03-13T09:01:42Z 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: ****************************