These entries are queried from radb.net using whois, you can try my project getting these.
:AS-EIS as-set: AS-EIS descr: EIS AS Set tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: EISA-MNT created: 2016-03-10T09:16:22Z last-modified: 2020-03-30T15:39:53Z source: RIPE members: AS51349 members: AS51955 members: AS200989 notify: noc [at] internet.ee 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: **************************** as-set: AS-EIS descr: Elevation Improvement Systems, LLC 414 S Elm Street Casper WY 82601 United States members: AS17016 admin-c: ADMIN8357-ARIN tech-c: BAXTE115-ARIN tech-c: FERRE360-ARIN mnt-by: MNT-EISL-22 created: 2023-12-13T23:31:25Z last-modified: 2023-12-22T16:13:17Z source: ARIN