These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SPADHAUSEN as-set: AS-SPADHAUSEN descr: members: AS62166 members: AS206868 members: AS207578 members: AS60304 remarks: tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SPADHAUSEN-MNT mnt-by: SBON-MNT created: 2018-04-16T13:58:51Z last-modified: 2023-09-25T17:01:15Z 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: ****************************