These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NASZASIEC as-set: AS-NASZASIEC descr: NaszaSiec.NET Krakow AS-SET tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-NASZASIEC-NET members: AS197615 created: 2014-02-22T19:17:33Z last-modified: 2023-11-22T08:32:27Z 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: ****************************