These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TNG as-set: AS-TNG descr: AS-Macro TNG descr: TNG Stadtnetz GmbH members: AS13101 members: AS49756 members: AS-DATAPORT members: AS-DECIX-ONLY members: AS-GAMER members: AS-AIXIT members: AS-INTERNIC members: AS-IPHH members: AS-TREML-STURM members: AS-BUCHHOLZ-DIGITAL members: AS6735 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: TNG-MNT created: 2002-09-20T22:34:45Z last-modified: 2023-08-03T13:40:15Z 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: ****************************