Saturday, June 21, 2014

What is classful and classless network?

In classful networks you can only use the full address range of any of the private IP address classes (A, B, or C). For example, For the class C private address range you can only use, you will not be able to subnet this address when the network is a classful network.

The classless network is just the oposite. This type of network you are able to subnet. so using the class C network again you can subnet this into

That goes not only for private networks. All IP addresses are split into 5 classes: A, B, C, D and E. A, B and C are the unicast addresses. Class D is a multicast. Class E is reserved.

Class A - address range - mask
Class B - address range - mask
Class C - address range - mask
Class D - address range - multicast
Class E - the rest

1 comment:

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