CIDR Calculator

Convert CIDR notation to IP address ranges.

Enter CIDR Notation

Format: IP/prefix (e.g., 192.168.0.0/24)

IP Range

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Network

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Broadcast

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Subnet Mask

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Total Addresses

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Binary Mask

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Common CIDR Blocks

/8

16,777,216 addresses

Class A network

/16

65,536 addresses

Class B network

/24

256 addresses

Class C network

/32

1 address

Single host

Private IP Ranges (RFC 1918)

10.0.0.0/8 (10.0.0.0 - 10.255.255.255)
172.16.0.0/12 (172.16.0.0 - 172.31.255.255)
192.168.0.0/16 (192.168.0.0 - 192.168.255.255)

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