Netmask used for communication except for Diagnostics.
Note
IP Address Range 1: 10.0.0.1 to 10.255.255.254 (Net Mask - FF00 0000) IP Address Range 2: 172.16.0.1 to 172.31.255.254 (Net Mask - FFF0 0000) IP Address Range 3: 192.168.0.1 to 192.168.255.254 (Net Mask - FFFF 0000)