These entries are queried from radb.net using whois, you can try my project getting these.
:AS-GAZTELECOM as-set: AS-GAZTELECOM descr: LLC Gazprom telecom and their clients members: AS39045 members: AS50193 members: AS50703 members: AS62264 members: AS21166 members: AS49108 members: AS203353 members: AS25032 members: AS-GAZSVYAZ members: AS49575 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: GAZTELECOM-MNT mnt-by: GAZSVYAZ-RIPE-MNT notify: noc [at] gtconline.ru created: 2005-12-06T12:09:50Z last-modified: 2019-12-18T08:06:40Z 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: ****************************