Which of the following IP addresses is a private IP address? Select all that apply.

A. 12.0.0.1
B. 168.172.19.39
C. 172.20.14.36
D. 172.33.194.30
E. 192.168.42.34
Answer: C, E
Explanation:
RFC 1918 Private Address Space:
Range of IP Addresses Class of Networks Number of Network
10.0.0.0 to
10.255.255.255.255
A 1
172.16.0.0 to
172.31.255.255
B 16
192.168.0.0 to
192.168.255.255
C 256