IP Address Exercise

Help on finding the class of an IP address.

The class of IP address depends on the value of the 1st octet of the given IP address.


1st Octet value Class Example
0~127 Class A 10.200.3.49
128~191 Class B 160.45.73.89
192~223 Class C 200.23.64.75
224~239 Class D 224.60.5.0
240~255 Class E 242.56.7.90