Kevin Dorrell Wed, 10/03/2007 - 06:04
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That is not really supernetting - is a normal subnet of the old Class A network

For, a valid host address is anything from to, a total of 1021 addresses. But normally you would break this range up into smaller chunks.

Kevin Dorrell


paul.matthews Wed, 10/03/2007 - 06:09
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Er, I am not sure how the question fits in with CIDR and supernetting.

The basic quesion about - well /22 gives 252 in the third octet - that gives networks of 0,4,8 etc, so this address block is 7.255 is broacast if you use it all as a single network, and zero is the network ID, si are available.

I suspect that is not what you are asking. CIDR is basically forget about class A/B/C etc, you need to know the mask to know about a network. Supernetting is very similar to summarisation.


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