These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NETOPS as-set: AS-NETOPS descr: NETOPS AS members members: AS201789 members: AS12459 members: AS51430 members: AS208685 members: AS61295 members: AS398962 members: AS207604 members: AS136787 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: netops-mnt mnt-by: serverius-mnt created: 2015-10-26T10:51:19Z last-modified: 2023-06-01T10:23:45Z 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: ****************************