Re: First bit of IP Addresses

[James Aldridge]

Anshul Jain wrote:
> I am not clear in basics of ip address format, why we are not using the
> first bit as 0 to define new class of addresses, may this double the
> available IPs,

Hmmm... and why not call this new class of addresses "Class A"?

In the classful world:
        bit 1 = 0               -> Class A
        bits 1,2 = 10           -> Class B
        bits 1,2,3 = 110        -> Class C
        bits 1,2,3,4 = 1110     -> Class D (Multicast)
        etc.

James