If the intranet IP address you entered is an address from a private address range, then enter the associated netmask here.
- SNMP ID:
 - 2.7.30.3
 - Console path:
 - Setup > TCP-IP > Network-List
 - Possible values:
 Max. 16 characters from [0-9].
- Default:
 - 255.255.255.0