address, and the remainder is the host identifier. The following example is based on IPv4 networking. The operation may be visualized in a table using binary address formats. Dot-decimal notation Binary form IP address 192.168.5.130 11000000.10101000.00000101.10000010 Subnet Mask 255.255.255.0 11111111.11111111.11111111.00000000 Network Portion 192.168.5.0 11000000.10101000.00000101.00000000 Host Portion 0.0.0.130 00000000.00000000.00000000.10000010 In IPv4, subnet