These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NAVIGATOR as-set: AS-NAVIGATOR descr: NAVIGATOR AS's members: AS12837 members: AS13121 members: AS49995 members: AS57995 members: AS-WDM tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: ripe-notify [at] naverex.net mnt-by: NAVEREX-MNT created: 2002-06-20T09:13:00Z last-modified: 2021-07-06T13:13:25Z 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: ****************************