How do I find the IP range?

5 pts.
Tags:
IP address
IP range
Subnet mask calculation
Subnets
Subnetting
How do I find the IP range for this: 10.14.6.1/30
ASKED: March 22, 2009  4:53 AM
UPDATED: May 8, 2013  4:47 PM

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The /30 means the subnet. A subnet mask of /30 = 255.255.255.252. So the IP addresses you can use are 10.14.6.1 and 10.14.6.2.

Have a look at this 3com PDF, which should help you understand the basics of IP addressing and subnetting.

The /30 subnet allows you 4 IP addresses in the range 10.14.6.1 – 10.14.6.4, your usable ip addresses are the .2 and .3 addresses, where 10.14.6.1 is your network address and 10.14.6.4 will be your broadcast address.

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  • mshen
    Thanks for the correction CRagsdale32.
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  • CRagsdale32
    No problem, I only added to the answer for some added clarity. Great link btw on IP addressing.
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  • mshen
    Actually CRagsdale32, I was right originally. If you calculate the subnet for 10.14.6.1 the starting IP is 10.14.6.0 and the end is 10.14.6.3. So the usable IP addresses are 10.14.6.1 and 10.14.6.2.
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  • CRagsdale32
    Either way works I reckon, .6.0 looks cleaner though you are correct. I was taking that .6.1 was the network address that was being subnetted. I'm just used to being given the network address and told to subnet it not given an IP and asked what subnet it belongs to. Although I should have noticed that as the case here.
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  • mshen
    I just had to double check because the .1 to .4 subnet just didn't seem right.
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  • Kevin Beaver
    For future reference, WildPackets has a IP subnet calculator that's really helpful for things like this.
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