These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ETHEROUTE as-set: AS-ETHEROUTE descr: Etheroute and downstreams members: AS39617 members: AS50827 members: AS211956 members: AS57782:AS-CMR members: AS-211956-DOWNSTREAMS tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-ETHEROUTE created: 2017-06-15T21:43:17Z last-modified: 2024-02-02T10:35:10Z 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: ****************************