Tip: Press Ctrl/Cmd + Enter to calculate. Host range and usable host counts follow standard IPv4 rules (/31 and /32 are special cases).
📖 What is IP Subnet Calculator?
IP Subnet Calculator is a free online tool that helps you get the network, broadcast, netmask, wildcard, host range, and host count from an ipv4 and cidr. No signup, no downloads — everything runs securely in your browser.
👤 Who Is It For?
For: Developers, DevOps engineers, security pros.
Not for: Enterprise batch processing or offline use.
📋 How to Use
- Enter your input.
- Click the action button.
- Copy or download the result.
💡 Common Use Cases
- Get the network, broadcast, netmask, wildcard, host range, and host count from an IPv4 and CIDR
- Quick IP Subnet Calculator tasks during daily work
- Encoders workflows without installing software
⚠️ Limitations
Browser-based — all processing is client-side. Large payloads may be slow.
📌 Key Facts
- IP Subnet Calculator is a free tool for developers.
- All processing runs in your browser — no data is uploaded to any server.
- No signup required for core functionality.
- Part of the ToolPile collection of 40+ free tools.