Network Calculator

Calculate network details including wildcard masks, supernetting, VLSM subnetting, and address allocation planning.

Developer & Code

This tool is being rebuilt

The earlier version did not work as described, so it is switched off until a tested version replaces it at this same address.

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Tools that work today

Network Mask Converter Convert between subnet mask formats: dotted decimal, CIDR notation, wildcard mask, and binary representation.
CIDR Network Visualizer Visualize CIDR ranges and subnet allocations on an interactive IP address space map with overlap detection.
Network Throttle Simulator Simulate network conditions (3G, 4G, slow Wi-Fi) and see how file sizes affect load times.

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This tool is being rebuilt

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