These entries are queried from radb.net using whois, you can try my project getting these.
:AS-BUSINESSCENTER as-set: AS-BUSINESSCENTER descr: Business Center Ltd members: AS50283 tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: don_kuklachev [at] dcnov.ru mnt-by: MNT-BUSINESSCENTER created: 2010-12-24T14:11:09Z last-modified: 2019-03-29T09:52:15Z 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: ****************************