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A classless address is given as 167.199.170.82/27. Find the number of addresses.

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A classless address is given as 167.199.170.82/27. Find the number of addresses.

(a) 128

(b) 64

(c) 32

(d) 16

This question was posed to me in unit test.

Enquiry is from Classless Addressing topic in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

1 Answer

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Best answer
Correct choice is (c) 32

The best I can explain: n =27

Therefore number of addresses is 2^(32-n) = 32.

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