These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NC-CUSTOMERS as-set: AS-NC-CUSTOMERS descr: Navice Customers members: AS-NC-CUSTOMERSV4 members: AS-NC-CUSTOMERSV6 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-BOOT created: 2018-03-01T13:52:20Z last-modified: 2018-03-02T12:08:20Z 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: ****************************