IP Subnet Calculator

Calculate subnet masks, network addresses, and more with ease

IP Address

Subnet Mask

Common Masks /24 - 255.255.255.0 /16 - 255.255.0.0 /8 - 255.0.0.0 /25 - 255.255.255.128 /26 - 255.255.255.192 /27 - 255.255.255.224 /28 - 255.255.255.240 /29 - 255.255.255.248 /30 - 255.255.255.252

Network Address

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Broadcast Address

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Total Hosts

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Usable Hosts

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Wildcard Mask

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IP Class

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CIDR Notation

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IP Type

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How to Use

• Enter an IP address (e.g., 192.168.1.1) and a subnet mask (e.g., 255.255.255.0 or /24)
• Use the dropdown to select common subnet masks quickly
• Click "Calculate" to see all subnet information
• Results will include network address, broadcast address, host range, and more

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