These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NXSS as-set: AS-NXSS tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: IEAG created: 2019-05-27T09:12:26Z last-modified: 2023-02-05T14:30:59Z source: RIPE members: AS49778 members: AS57641,AS208553 members: AS212982 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: ****************************