Which of the following IP address ranges is considered a private IP address? A) 172.31.255.255 B) 172.15.0.1 C) 10.255.255.256 D) 192.169.1.1

Understand the Problem

The question is asking us to identify which of the given IP address ranges is classified as a private IP address according to the standards defined by the Internet Assigned Numbers Authority (IANA). We will analyze the options based on the known ranges of private IP addresses.

More Information

The private IP address ranges are designated to be non-routerable on the public internet and are mainly used within a local network. The range 172.31.255.255 falls within the class B private IP address range of 172.16.0.0 to 172.31.255.255.

Tips

Common mistakes include confusing similar IP ranges and assuming any randomly shown IP is private. Note the specific address range for each class.

Sources

• Private IP Address Ranges - IPCisco - ipcisco.com
• Private IP Address Classes: Ranges & Significance - Ipstack - ipstack.com