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Mohamed G. Gouda					CS 356
Spring 2017						Exercise 7
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Does the IP address (128.64.255.63) belong to the IP address block 
(128.64.255.9/26)? Explain your answer.

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Solution:
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The left-most 26 bits in the given IP address are 128.64.255.00.

Also, the left-most 26 bits in each IP address in the given block
are 128.64.255.00. 

Therefore, the given IP address is in the given IP address block.
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