These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ITN as-set: AS-ITN descr: ITN IPv4 customers AS members: AS21287 members: AS-VICNET tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: noc [at] itn.ru mnt-by: ITN-NCC-MNT created: 2004-03-26T09:40:41Z last-modified: 2020-11-19T09:14:38Z 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: ****************************