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Question on subnetting(counting bits from left to right)

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Last response: in Windows 7
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August 18, 2012 3:26:30 AM

because the first 2 places are X X - don't cares - it's actually is 0, 1, 2, 4, 8....
-Bruce
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August 18, 2012 3:45:04 AM

I dont understand what you mean Moose.

His example.

255.255.254.0

x.x. 1111111|0 . 00000000


To find out subnets, (or so I thought) Counting from left to right in the third octet.

1,2,4,8,16,32,64,128 8 values
1,1,1,1,1, 1, 1, 1 8 bits

Shouldn't the subnet masks be 1 + 2 + 4 + 8 + 16 + 32 + 64 for a total of 127?
Then shouldn't the host be counted from right to left from the 4th octet? going like this.

end here 512 . 256 128 64 32 16 8 4 2 1 start here

Doesn't it all look like this? ( I know I'm wrong I'm just showing you how I think so you can tell me why/how I'm wrong)

x . x . 1 2 4 8 16 32 64 | 512 . 256 128 64 32 16 8 4 2 1
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