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## Forum Replies

1. Hi Rene,
Very Good article for Beginners.

Thanks,
Srini

2. Hi George,

Let’s walk through this example together, that might help…

First we need to figure out the network address and to do that, we need to take a close look at the subnet mask:

255.255.255.248

The subnet mask defines how large each subnet is. You can do this in binary but I’ll use decimal since it’s faster. A quick method is to take the number 256 minus the subnet mask. We are looking at the 4th octet so that’s 248:

256 - 248 = 8

We now know that each subnet has 8 addresses. Let’s start counting from 0 to show you how it works:

Subnet #1 120.48.7.0
Subnet

... Continue reading in our forum

3. Hi Rene,

You are doing a good Job. I wanted to ask, in your example you have said 120.48.7.104 is the first address for that block? I thought .104 is the network and the first usable address will start from 105? If you could clarify that for me. Thanks

4. Ali,
You are correct, and I have corrected the error. Nice catch.

5. Thanks for your kind words Umer! I’ll see if I can add some videos for subnetting.

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