If you look at 127.0.0.0 in binary, it's a class A. ""Simon Yang (ITeX)"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > We know that 127.0.0.1 is for loopback. > If we need to assing a subnet mask for it, what the number should be. > for Class A, the noraml subnet mask is 255.0.0.0 > for Class B, the normail subnet mask is 255.255.0.0. > 127 is not belong to Class A and B.
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