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. Run the broadcast address calculator to identify the broadcast address when planning subnets and verifying that no host is assigned it.
Input
IP Subnet Details
Binary Representation
Related Network Tools
Explore these related tools for subnet calculation and IP address management. The vlsm calculator outputs each subnet's network address, mask, host range, and broadcast in order of allocation priority.
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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