CIDR & Subnet Visualizer
A technical reference tool to help understand IPv4 addressing, subnet masks, and calculate host ranges programmatically.
Configuration
Network Details
Network Address
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Broadcast Address
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Subnet Mask
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Wildcard Mask
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Total Hosts
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Usable Hosts
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First Host
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Last Host
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Binary Representation (Network vs Host)
Visualizing the 32-bit IPv4 address space■ Network Bits
■ Host Bits
How total hosts are calculated:
Host bits (H) = 32 - (Network Bits) = bits
Total Addresses = 2H = 2 =