🌐 Subnet Calculator
Perform network calculations with IP addresses and subnet masks. Supports CIDR notation.
📊 Network Information
Network Address
-
Broadcast Address
-
First Usable IP
-
Last Usable IP
-
Subnet Mask
-
CIDR Notation
-
Total IP Count
-
Usable Hosts
-
📐 Subnet Mask (Binary)
📊 IP Range (Binary)
Subnet Visualization
Network Bits (2)
Host Bits (-)
📖 How to Use?
- Enter the IP address (e.g. 192.168.1.0).
- Enter the subnet mask (CIDR: 24 or dotted: 255.255.255.0).
- Click the "Calculate" button.
- Network information is calculated automatically.
📚 CIDR Table
| CIDR | Mask | Host Count |
|---|---|---|
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
| /28 | 255.255.255.240 | 14 |
| /29 | 255.255.255.248 | 6 |
| /30 | 255.255.255.252 | 2 |