These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SIGNALTV-V6 as-set: AS-SIGNALTV-V6 descr: Signal Service Customers IPv6 members: AS42514 members: AS197717 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SIGNAL-MNT created: 2011-05-14T19:22:00Z last-modified: 2021-01-29T14:16:01Z 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: ****************************