Question

If a host on a network has the address 172.16.45.14/30, what is the address of the sub network to which this host belongs?

Answer 1

Its
172. 16. 45. 252
 /30 bit mask would be 30 one’s, leaving just 2 zero’s that could be used for host addressing. If you apply the hosts formula, you get 2^2 = 4 – 2 = 2 useable IP addresses.

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