These entries are queried from radb.net using whois, you can try my project getting these.
:AS-PROLVL as-set: AS-PROLVL tech-c: DUMY-RIPE admin-c: DUMY-RIPE members: AS205946 members: AS209863 members: AS210749 mnt-by: MNT-PROLVL created: 2016-08-20T10:15:08Z last-modified: 2021-09-20T19:42:23Z 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: ****************************