Which of the following IP addresses can be pinged from the Internet?

Which of the following IP addresses can be pinged from the Internet?

A.
10.0.0.1

B.
68.14.24.3

C.
172.16.2.1

D.
192.168.1.1

Explanation:

Any IP address that doesn’t start with 192.168 and 10.0.0 can be pinged from internet. These IP
addresses are reserved for private network. 172.16.2.1 is not a valid IP address at all because it
mixed class C and Class A addresses. 68.14.24.3 is a valid Class A IP address.