Developer Tools
IP Subnet Calculator
Description
Network Input
/
CIDR Quick Reference
| CIDR | Subnet Mask | Usable Hosts | Description |
|---|---|---|---|
| /8 | 255.0.0.0 | 16,777,214 | Class A (Large Enterprise) |
| /16 | 255.255.0.0 | 65,534 | Class B (Medium Enterprise) |
| /24 | 255.255.255.0 | 254 | Class C (Small Network) |
| /25 | 255.255.255.128 | 126 | Half Class C |
| /26 | 255.255.255.192 | 62 | Quarter Class C |
| /27 | 255.255.255.224 | 30 | Small Network |
| /28 | 255.255.255.240 | 14 | Very Small Network |
| /30 | 255.255.255.252 | 2 | Point-to-Point Link |
| /32 | 255.255.255.255 | 1 | Single Host |
What is IP Subnet Calculator?
Description
IP Subnet Calculator is a free online tool that works directly in your browser. No installation or signup required. All processing happens locally on your device, ensuring your data stays private and secure.
Why Use IP Subnet Calculator?
- ✓100% Free - No hidden costs or premium features
- ✓No Signup Required - Start using instantly without creating an account
- ✓Privacy First - All processing happens in your browser. Your data never leaves your device
- ✓Lightning Fast - Instant results with no server delays
How to Use
- Enter or paste your text in the input area above
- The tool will automatically process your input
- Copy the result or download it as a file
Features
- ✓IPv4 subnet calculation
- ✓CIDR and subnet mask conversion
- ✓Network and broadcast address
- ✓Usable host range calculation
- ✓Quick CIDR presets reference
- ✓Private/Public IP detection
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