These entries are queried from radb.net using whois, you can try my project getting these.
:AS-BYTECITY as-set: AS-BYTECITY descr: Byte City Ltd. members: AS28775 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: BYTECITY-MNT created: 2007-10-19T15:20:02Z last-modified: 2021-08-13T11:17:41Z 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: ****************************