How Can You Identify the IP Class of a Given IP Address?

Answer: To identify the IP class of a given IP address we check the first octet of the IP address. Every class of IP address have specified range of first octet of IP address. So, for the given IP check the first octet of IP falls under which class range and accordingly identify the class of given IP address.

Range of Class of IP Address

Below table represents the table for the range of the different class of IP address.

Class of IP	Range of First Octet
Class A	0-127
Class B	127-191
Class C	192-223
Class D	224-239
Class E	240-255

Steps to Identify the IP Class of a Given IP Address

• First, get the first octet of the given IP address.
• Check the first octet of given IP address with the range of class of IP address table.
• The range of class in which the first octet belongs to is the class of the given IP address.