These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NETSURF as-set: AS-NETSURF descr: Net-Surf.net members: AS20911 members: AS8431 members: AS60147 members: AS31011 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: NETSURF-MNTR created: 2011-01-17T13:41:31Z last-modified: 2020-06-02T15:18:21Z 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: ****************************