Subnet Mask and CIDR Implementation

I have a laptop, and it runs on Windows XP.  I am taking a course in Networking, and our instructor wants us to check the network interface of our computers at home and find the IP address, Subnet Mask, CIDR Implementation, and binary value of our IP address.  I am suppose to use the command ipconfig to do this.  I tried going to run and typing in ipconfig, bu the black screen with the information that I need only pops up for about a half of a second, and then goes away.  How do I see the information on the screen longer?  I can do the binary conversion o my IP address.  In fact, I can go to Who Is online and get my IP address, but he want's us to use this command on our computer to find the IP address, Subnet Mask, and CIDR Implementation.  
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Open a command shell first: Start-->Run and type cmd. Run ipconfig on that command shell.
start-->run and type cmd.  At prompt type ipconfig /all.  this will give you all the info you need.
Sam PanwarSr. Server AdministratorCommented:


Ip address convertor
You can also use windows calculator for it
Start>run>calc > view >scientific  and there is option Hex,binary etc
also try this link

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Sam PanwarSr. Server AdministratorCommented:


Ip address convertor
You can also use windows calculator for it
Start>run>calc > view >scientific  and there is option Hex,binary etc
also try this link

Important link

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If you want to see all the information of the current Ip address you using, not only use the ipconfig /all command, you also can try this, go to start>connect to>show all connections>click on Local Area Connection>make sure that u tick on, "show icon in notification area when connected", over your right hand side will show a small icon that 2 computer that connected together, double click on it, it will prompt  you the Local area connection status, click on the support tab>then click details, you will also get the information same as what you use the ipconfig /all command.

I like to use Excel to analyze addresses and do decimal to binary conversion.  You must know how to do this manually, but if you're studying and making notes, Excel is a great tool.

You might need the Analysis Toolpack.  Here's how to load:

On the Tools menu, click Add-Ins.
In the Add-Ins available list, select the Analysis ToolPak box, and then click OK.
If necessary, follow the instructions in the setup program.

Once you've loaded it, there's a formula with which you can convert decimal to binary called "DEC2BIN" and another to convert back called "BIN2DEC".  There's also Hexidecimal conversions available.

Once you have all this, you can also do Binary operations like AND and OR.

An absolutely fantastic IP Subnet Calculator is available at SolarWinds -

Use this for STUDYING and verifying - not for coming with the answers quickly and easily.

Hope this helps.

Ps. - to give a complete answer, open CMD from the run windows command (Start-Run) and THEN do an "ipconfig /all"

To get your outside public IP - go to
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