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Netquery is PHP/SQL open-source toolkit of network utilities. See it in action HERE. Download it HERE. Discuss it HERE.
Version 4.5 (released 2012-05-01) eliminates the need for a GeoIP table in its database and for updating the database when newer GeoIP versions are released. Instead, this Netquery version uses the data in MaxMind's "free countries" GeoIP.dat binary file directly with a PHP API interface. Only simple overwrite updating of that separately downloadable GeoIP.dat file is now required to keep Netquery current with the most recent release available.
Netquery's major features currently include the following:

The administrator can enable or disable each Netquery feature individually and can configure local execution and/or a remote server script for the ping and traceroute features. The administrator can also edit all of the data tables used by the whois, port services and looking glass features and can allow site users to submit port services and exploits information for acceptance. GeoIP and ports services data can be updated independently of the module core.
The current Netquery release uses no deprecated PHP functions and is fully compatible with PHP v5.3 and PHP v5.4, including all MySQL and MySQLi extensions incorporated in those PHP releases. All current Netquery editions are also fully compliant with W3C HTML and CSS standards. (Full validation at that level is contingent on CMS versioning and other external environment factors.) Netquery now requires PHP version 5.1 or later. It is fully compatible with all PHP default "production site" settings.
For additional details, please see the Netquery Manual or go to the VIRtech Forums for discussion and answers to your questions.