Software to Track IP Address Assignment

[Devon True <dtrue () xodiax com>]

All,

I was searching the web for software that tracked IP address assignments.
While I did find a few software solutions, I figured I would ask you
guys/gals and see what is being used in the Real World (tm).

My ideal software package would have the following features:

Central Server where data resides
Level of permissions (read-only, read-write-local, read-write-global)
Email alerts (if a NOC technician assigns a customer a new /27, email
Engineering)
Able to export/import data
Open-source or cheap :)

Any tips/leads/suggestions would be appreciated.

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Devon True      CCNA                    Tel: 502.315.6015
Xodiax Network Operations       Fax: 502.315.6035
<louisville.noc () xodiax com>  URL: <www.xodiax.com>