(A detailed design plan for configuring the LAN IP and subnet mask of more than 500 computers at once Concepts and Examples Everyone knows IP and subnet mask. IP is composed of four segments of numbers. Here, let's first understand the three commonly used IPA class IP segments 0.0.0.0 to 127.255.255.255B class IP segment 128.0.0.0 to 191.255.255.255 class C IP segment 192.0.0.0 to 223.255.255.255...)