These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ALTURA as-set: AS-ALTURA descr: Altura AS macro members: AS44158 members: AS34703 members: AS48607 members: AS-SMARTCENTR members: AS48143 members: AS-FANNET members: AS42955 members: AS47789 members: AS60377 members: AS48709 members: AS30936 members: AS61971 members: AS-SCTS members: AS203794 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-DSA notify: hostmaster [at] altura.ru created: 2008-01-29T08:27:02Z last-modified: 2021-09-09T09:57:08Z 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: ****************************