These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TPN as-set: AS-TPN descr: AS SET TWS Italia members: AS29449 mbrs-by-ref: TPN-MNT tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: it-twsitalia-1-mnt notify: noc [at] twsitalia.com created: 2004-12-28T13:10:41Z last-modified: 2018-10-26T08:46:15Z 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: ****************************