IP / CIDR Subnet Calculator
Enter an IPv4 address in CIDR notation (e.g. 192.168.1.10/24) to instantly calculate the network and broadcast addresses, usable host range, host count, subnet mask, and wildcard mask.
All processing runs locally in your browser — nothing is sent to any server.
Results
- Network CIDR
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— - Subnet mask
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— - Wildcard mask
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— - Network address
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— - Broadcast address
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— - Usable host range
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— - Total addresses
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— - Usable hosts
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— - Address type
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Enter a CIDR above to see the breakdown.
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