IP Subnet Calculator
Enter any IP address along with a subnet mask to calculate complete network details including the network address, broadcast address, first and last usable hosts, and available host range. Get instant results with CIDR notation, wildcard mask, and total address count for precise IPv4 subnet analysis. The wildcard mask calculator outputs the wildcard mask, inverse mask, and matching IP range for any subnet mask or CIDR prefix input.
Input
IP Subnet Details
Binary Representation
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Additional networking calculators for IP address planning and network analysis. The subnet mask tool includes a full reference table showing all valid IPv4 subnet masks and their corresponding CIDR prefixes.
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