These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MIRINV as-set: AS-MirInv tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ua-centertpa-1-mnt mnt-by: MIRATEL-MNT created: 2021-05-19T12:04:44Z last-modified: 2022-01-18T11:23:00Z source: RIPE members: AS203447 members: AS197781 members: AS56688 members: AS48243 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: ****************************