Answer Posted / chintan parikh

IP Address is classified into 5 classes
class A Ranges from 1 to 126
Class B Ranges from 128 to 191
class C Ranges from 192 to 223
Class D Ranges from 224 to 239
Class E Ranges from 240 to 254

Class A,B and C are all for normal users like us.
Class D is for multicasting
Class E is for military and Research.

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