These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MTS-SAKH as-set: AS-MTS-SAKH descr: Mobile TeleSystems, PJSC, MR DV, SAKH members: AS21103 members: AS30745 members: AS196721 members: AS39811 members: AS43550 members: AS51004 members: AS15454 members: AS47560 members: AS-SVTC members: AS-MTSDV members: AS-SNC members: AS56720 members: AS196721 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MR-DV-MTS-MNT mnt-by: MTU-NOC created: 2012-04-23T05:06:51Z last-modified: 2022-07-13T08:56:00Z 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: ****************************