Sharpe, Sam J wrote:
> 2009/6/8 gmspro <gmspro at yahoo.com>:
>>
>> 1.Why most of the addresses in class A are wasted?
>> 2.How the block of class C addresses are calculated?
>
> Your questions make no sense. You will need to expand on them.
These sound like homework questions the OP's asking us to answer to avoid
doing the research.
Kevin Kofler