Question

Which of the following is a public IP address?

a. 192.168.1.1
b. 10.0.0.1
c. 172.16.0.1
d. 203.0.113.1

Answer 1

The public IP address from the given options is 203.0.113.1 as it does not fall within private IP address ranges and can represent a public IP in educational examples.

Step-by-step explanation:

The public IP address among the options given is d. 203.0.113.1. The other addresses, a. 192.168.1.1, b. 10.0.0.1, and c. 172.16.0.1, belong to private IP address ranges specified by the Internet Assigned Numbers Authority (IANA) for internal network use and are not routable on the global internet. In contrast, 203.0.113.1 is part of the range set aside for documentation and examples, and it can represent a public IP address in educational contexts like this one.

Answer 2

The public IP address among the given options is 203.0.113.1, as the other options represent private IP address ranges.

Step-by-step explanation:

The public IP address among the options is d. 203.0.113.1. Addresses like 192.168.1.1, 10.0.0.1, and 172.16.0.1 are part of the private IP address ranges designated specifically for use inside private networks and not routable on the public internet. The public IP address range, such as the one provided in option d, is routable on the public internet and is assigned to entities such as websites, servers, or home networks by Internet Service Providers (ISPs).