These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DVRCRTRN as-set: AS-DVRCRTRN descr: RUSSIAN TELEVISION AND RADIO BROADCASTING NETWORK tech-c: DUMY-RIPE members: AS62143 members: AS50639 admin-c: DUMY-RIPE mnt-by: MNT-DVRC created: 2020-03-06T07:29:18Z last-modified: 2020-03-06T07:38:01Z 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: ****************************