How many usable hosts are in a /24 subnet?
A /24 subnet has 256 total IP addresses, providing 254 usable host addresses (subtracting network and broadcast IPs).
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Free IPv4 Subnet Calculator | 1ClickTools
Calculate ipv4 subnet calculator instantly with CIDR prefix (/0 to /32), Network IP, Broadcast IP, Netmask, and Usable Host Range.
Frequently Asked Questions
What is a subnet mask?
A subnet mask is a 32-bit number that separates an IP address into network bits and host bits.
How accurate is the IPv4 Subnet Calculator?
All calculations are executed using standard mathematical algorithms directly in client-side JavaScript, ensuring double-precision floating-point accuracy without server-side rounding discrepancies.
Is my input data kept private when using the IPv4 Subnet Calculator?
Yes. 1ClickTools operates 100% locally in your web browser session. No personal data, financial values, or calculation inputs are ever uploaded, saved, or transmitted to any external servers.
Can I use this tool for commercial or academic projects?
Yes. 1ClickTools provides 100% free access for personal, academic, professional, and commercial use without subscription fees or usage caps.