These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MNT as-set: AS-MNT tech-c: DUMY-RIPE members: AS205226 members: AS208380 admin-c: DUMY-RIPE mnt-by: RZT-MNT mnt-by: X-TRIM-MNT created: 2019-08-22T12:45:58Z last-modified: 2019-08-22T12:46:11Z 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: ****************************