Solution

Given:

IP address: 167.199.170.82/27.

Here, no. of mask bits = n = 27

In classless addressing, no. of address are given by 2^{32 - n}

No. of addresses = 232-27 = 2⁵ = 2 × 2 × 2 × 2 × 2 = 32

The Correct Answer is option 2.