These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SVHOLDING as-set: AS-SvHolding descr: Svyaz Holding AS's members: AS43045 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: SvHoldNet-MNT notify: ch [at] govorit.ru created: 2007-11-29T07:03:31Z last-modified: 2023-10-20T11:11:51Z 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: ****************************