These entries are queried from radb.net using whois, you can try my project getting these.
:AS-OPENXS as-set: AS-OPENXS descr: OpenXS GmbH members: AS3331 members: AS21173 members: AS8956 members: AS41213 members: AS61377 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: de-openxs-1-mnt created: 2015-11-04T14:46:22Z last-modified: 2020-10-12T13:02:11Z 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: ****************************