These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SET-RIGHTSIDE as-set: AS-SET-RIGHTSIDE descr: KrasPromStroy, LLC members: AS200912 members: AS12737 remarks: Customers members: AS210267 members: AS202820 members: AS50918 remarks: Spektr LLC remarks: MEDVEDHOLDING members: AS52085 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ru-kraspromstroy-1-mnt created: 2015-03-17T08:32:24Z last-modified: 2023-07-26T10:27:48Z 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: ****************************