These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SVEA as-set: AS-SVEA members: AS41634 members: AS-KEFF tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SVEA-MNT created: 2020-03-15T21:48:23Z last-modified: 2020-08-14T13:10:34Z 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: ****************************