> I have a class assigned for example: 198.144.163.1
> mask 255.255.255.128 how do I subnet that to 2 >networks.
First, let's look at what you have, 198.144.163.1/25.
That gives you 126 usable addresses, 198.144.163.1-126.
Now, you want to further divide that into two subnets of 62 usable addresses each. To
do this, simply add another bit to the subnet mask. This will give you the following:
198.144.163.0/26 and 198.144.163.64/26
Your usable address range is 1-62 and 65-126. This is because you can't use the .0,
.63, .64, and .127 addresses.
There are a LOT of threads in the archives about subnetting. You should read through
those to get some really good insight into this process.
HTH,
John
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