These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SOVTEL as-set: AS-SOVTEL descr: SOVTEL AS-SET remarks: ************************************ remarks: Name: SOVTEL members: AS42097 remarks: Name: TelSP members: AS42253 remarks: ************************************ org: ORG-SL657-RIPE tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SOVTEL-MNT created: 2017-06-21T15:11:36Z last-modified: 2023-02-24T14:22:45Z 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: ****************************