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Subnet Calculator
v1.0
Enter an IP address and subnet mask or CIDR prefix to analyse the network
Quick presets
192.168.1.0 /24
10.0.0.0 /8
172.16.0.0 /12
192.168.100.14 /28
203.0.113.45 /26
IP Address
Subnet / CIDR Prefix
Calculate
Invalid IP address. Please enter a valid IPv4 address (e.g. 192.168.1.0)
Usable Hosts
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Total Addresses
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CIDR Prefix
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IP Class
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IP Address
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Subnet Mask
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Wildcard Mask
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Network Address
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Broadcast Address
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First Usable Host
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Last Usable Host
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IP Class
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Address Type
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CIDR Notation
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IP in Decimal
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IP in Hex
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Usable host range
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Binary representation —
■ network bits
■ host bits
IP Address
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Subnet Mask
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Network Addr
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