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Old Jan 26, 2013, 02:29 PM   #1
ZMacintosh
macrumors 6502a
 
Join Date: Nov 2008
Question about determining IP subnet ranges, should be simple

I had a question for those knowledgeable in networking.
Trying to figure out how to determine the steps to get these answers.

So for example a computer has an IP Address of 10.1.5.3 , what is the range of useable IP addresses for this subnet 10.1.5.3/24
So it would be 10.1.5.1 - 10.1.5.254


similar question, you have IP address of 192.168.1.15/24, what other IP addresses are on the same subnet?
So 192.168.1.68 & 192.168.2 would be on the same subnet

Trying to figure out how they use the octets/bits to determine the range.

Read through some CIDR notation info, but im still stuck on it, even though it seems very basic and simple.
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