phpIPAM for Managing Networks
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http://xmodulo.com/2014/05/manage-ip-addresses-subnets-phpipam.html
Have not played with this but has potential to be a nice, additional tool.
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Looks good, nice feature set.
We use this where I work -> http://www.gestioip.net/
And it works very well, nice visual breakup of the vlans, easy to find IP's and add details to them.