Answer:
168.16.1.1 is correct.
Explanation:
168.16.1.1 is the legitimate Internet Protocol address that can be used on the Internet.
Internet Protocol 10.10.1.1 and internet Protocol 172.30.1.1 are the private internet protocol addresses so they could not be used on the internet.
The Internet Protocol 234.1.1.1 has been used as a multicast address so they may not be used on the Internet.
