These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TSF-CUSTOMERS as-set: AS-TSF-Customers descr: TSF customers members: AS-TSF-Global members: AS-TSF-National members: AS-TSF-Local org: ORG-SA28-RIPE admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: DATANET-NOC created: 2006-06-05T11:01:36Z last-modified: 2021-12-17T12:47:21Z 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: ****************************