These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SYNDICATE as-set: AS-SYNDICATE descr: ASes routed by ISP Syndicate members: AS50130 members: AS49359 org: ORG-FSIO1-RIPE tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SYNDICATE-MNT notify: igorsam [at] gmail.com created: 2010-10-30T13:59:25Z last-modified: 2023-05-17T07:17:42Z 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: ****************************