These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TZ as-set: AS-TZ descr: Telecom-Zvezdny company members: AS57113 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: TVIPTEL-MNT created: 2016-06-06T13:31:43Z last-modified: 2017-08-24T11:06:06Z 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: **************************** as-set: AS-TZ descr: ASes annouced by Tierzero members: AS11509,AS12028,AS36516,AS6745,AS19888,AS26841,AS54659,AS394616 admin-c: John Carter tech-c: Nehul Patel tech-c: Michael DuBrin remarks: Tierzero notify: nehul.patel [at] tierzero.com notify: mike.dubrin [at] tierzero.com mnt-by: MAINT-AS11509 changed: nehul.patel [at] tierzero.com 20200802 #18:34:49Z source: RADB last-modified: 2023-11-13T16:01:17Z