Identify the range of IPv4 addresses spanned by Class A, Class B, and Class C

The range of IPv4 addresses spanned by each class is:

 Class A: 1.0.0.0 to 127.255.255.255
 Class B: 128.0.0.0 to 191.255.255.255
 Class C: 192.0.0.0 to 223.255.255.255