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• Understanding IP Addressing
• CIDR FAQ

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• JImageMap - Image Map Editor
• Color Selector

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Applet Demo:
• PkZip Archive
• Gzipped tar

Links:
• Java Plugin 1.1.2

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The IP Subnet/Supernet Calculator is written using Swing 1.1 (Java Foundation Classes 1.1). Viewing the applet below requires the use of the Java ^TM Plugin 1.1.2 which can be obtained free of charge from this page.

The below applet is the demo version of the IP Subnet/Supernet Calculator and has fewer features that the commercial version.