IPv4 Address Classes

Question 1

What are the address ranges of each IPv4 class?

Answer 1

Class A - 1.0.0.0 to 126.0.0.0 (1.0.0.0/8 to 126.0.0.0/8)
Class B - 128.0.0.0 to 191.255.0.0 (128.0.0.0/16 to 191.255.0.0/16)
Class C - 192.0.0.0 to 223.255.255.0 (192.0.0.0/24 to 223.255.255.0/24)
Class D - 224.0.0.0 to 239.255.255.255
Class E - 240.0.0.0 to 255.255.255.255

Question 2

Can you provide examples of where each IPv4 class is typically used?

Answer 2

Class A - Major global enterprises, internet service providers
Class B - Educational institutions, larger corporations
Class C - Small companies, office networks
Class D - Streaming services, multi-user games
Class E - Network protocol testing, future use experimentation