SMC Networks SMC7204BRA manual Appendix a, Network ID Host ID

Appendix A

The first part of every IP address contains the network ID, and the rest of the address contains the host ID. The length of the network ID depends on the network'sclass (see following section). Figure 62 shows the structure of an IP address.

	Field 1	Field 2	Field 3		Field 4
Class A	Network ID		Host ID
Class B	Network ID			Host ID
Class C		Network ID			Host ID

Table 4. IP Address structure

Here are some examples of valid IP addresses:

Class A: 10.30.6.125 (network = 10, host = 30.6.125)

Class B: 129.88.16.49 (network = 129.88, host = 16.49)

Class C: 192.60.201.11 (network = 192.60.201, host = 11)

168