Subnet Calculator

// ipv4 · instant results · no server required

IP Address

Prefix / CIDR

⚠ Invalid IP address. Use dotted-decimal format: 192.168.1.0

Network Address

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Subnet Mask

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Wildcard Mask

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Broadcast Address

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First Usable Host

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Last Usable Host

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Usable Hosts

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IP Class

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IP Type

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Total Addresses

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// binary breakdown

IP Address

Subnet Mask

Network Bits ■ = network portion ■ = host portion

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