Subnet Calculator

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IP Address

CIDR Prefix Length /32 - 1 addresses /31 - 2 addresses /30 - 4 addresses /29 - 8 addresses /28 - 16 addresses /27 - 32 addresses /26 - 64 addresses /25 - 128 addresses /24 - 256 addresses /23 - 512 addresses /22 - 1,024 addresses /21 - 2,048 addresses /20 - 4,096 addresses /19 - 8,192 addresses /18 - 16,384 addresses /17 - 32,768 addresses /16 - 65,536 addresses /15 - 131,072 addresses /14 - 262,144 addresses /13 - 524,288 addresses /12 - 1,048,576 addresses /11 - 2,097,152 addresses /10 - 4,194,304 addresses /9 - 8,388,608 addresses /8 - 16,777,216 addresses /7 - 33,554,432 addresses /6 - 67,108,864 addresses /5 - 134,217,728 addresses /4 - 268,435,456 addresses /3 - 536,870,912 addresses /2 - 1,073,741,824 addresses /1 - 2,147,483,648 addresses /0 - 4,294,967,296 addresses

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