These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SDS as-set: AS-SDS descr: AS-SDS BGP Customers AS tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SlvNet-MNT members: AS49588 members: AS59618 members: AS203716 members: AS205753 members: AS209914 members: AS51962 members: AS52180 members: AS-SNS members: AS48730 members: AS61988 members: AS56370 members: AS212558 members: AS-LU members: AS57864 members: AS52180 members: AS209595 members: AS209922 members: AS59536 members: AS-SYNDICATE members: AS56972 created: 2012-06-20T12:15:36Z last-modified: 2022-04-11T10:52:12Z 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: ****************************