IP address classes

Question 1

Class A

Answer 1

Address Range: 1.0.0.1 to 126.255.255.254

Question 2

Class B

Answer 2

Address Range: 128.1.0.1 to 191.255.255.254

Question 3

Class C

Answer 3

Address Range: 192.0.1.1 to 223.255.254.254

Question 4

Class D

Answer 4

Address Range: 224.0.0.0 to 239.255.255.255

Reserved for multicast groups.

Question 5

Class E

Answer 5

Address Range: 240.0.0.0 to 254.255.255.254

Reserved for future use, or Research and Development Purposes.