How to diagram a dhcp server

Greetings,
I just inhereted a class B DHCP server on windows 2008 R2.  I was told that we were breaking out blocks of IPs based on subnets through the use of the third octet.

Is there any scripts, reports, or apps that I can run, that will tell me in some form of tabular format the first/last IP and subnet of each block that has been assigned in a windows DCHP server?

Thanks.
LVL 9
Evan CutlerVolunteer Chief Information OfficerAsked:
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Kamran ArshadIT AssociateCommented:
Hi,

BlueCAT has a IP address management solution but its an expensive solution;

https://www.bluecatnetworks.com/products/bluecat-address-manager-windows-server/network-management
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asavenerCommented:
If you have a Windows 2012 or Windows 8.1 system, you can use the export-dhcpserver powershell cmdlet.  It exports to XML format, and will export from Windows 2008 servers.

http://blogs.technet.com/b/teamdhcp/archive/2012/12/03/dhcp-powershell-export-import-cmdlets-in-windows-server-2012.aspx
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Evan CutlerVolunteer Chief Information OfficerAuthor Commented:
I wish, but I'm not there yet.  Network is win7 and server 2008.....what else you got?
btw, I am grabbing that page for after migrations this year.
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Creating Active Directory Users from a Text File

If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.

 
asavenerCommented:
Well, there's also a netsh command to back up the DHCP database.

http://support.microsoft.com/en-us/kb/962355

The export isn't very human readable, though.

That's all I've got.  You might be able to find a third-party IPAM (IP Address Management) tool that will work for you.
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asavenerCommented:
Yeah, Solarwinds has one, too.
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Evan CutlerVolunteer Chief Information OfficerAuthor Commented:
Thanks much.  Sorry it took long to close this.
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