Documentation
Configuration / IpAuthenticator.ip_numbers
This option enables you valid IP numbers that may access the application. Both individual IP numbers and IP ranges are accepted.
$moxieManagerConfig['IpAuthenticator.ip_numbers'] = "10.0.0.1,10.0.0.2,192.168.1.1-192.168.1.255";
<add key="IpAuthenticator.ip_numbers" value="10.0.0.1,10.0.0.2,192.168.1.1-192.168.1.255" />