🌐 Subnet Calculator
Calculate network addresses, broadcast addresses, usable host ranges, and more from any IPv4 address and CIDR notation.
/0 /8 /16 /24 /32
Results
Network Address
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Broadcast Address
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Usable Host Range
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Subnet Mask
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Wildcard Mask
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Total Addresses
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Usable Hosts
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CIDR Notation
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IP Class
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Binary Representation
IP: -
Subnet: -
Network: -
Common Subnet Reference
| CIDR | Subnet Mask | Usable Hosts | Common Use |
|---|---|---|---|
| /8 | 255.0.0.0 | 16,777,214 | Class A Network |
| /16 | 255.255.0.0 | 65,534 | Class B Network |
| /24 | 255.255.255.0 | 254 | Small Office/Home |
| /25 | 255.255.255.128 | 126 | Half /24 |
| /26 | 255.255.255.192 | 62 | Small Segment |
| /27 | 255.255.255.224 | 30 | Small Team |
| /28 | 255.255.255.240 | 14 | Small Subnet |
| /30 | 255.255.255.252 | 2 | Point-to-Point Link |
| /32 | 255.255.255.255 | 1 | Single Host |