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CIDR Calculator

Calculate IPv4 subnet ranges, masks, broadcast addresses, and host counts.

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CIDR Calculator

IPv4 Address

Prefix Length

Subnet Details

192.168.1.0/24Private range

Network

192.168.1.0

Broadcast

192.168.1.255

Subnet Mask

255.255.255.0

Wildcard Mask

0.0.0.255

First Usable

192.168.1.1

Last Usable

192.168.1.254

Total Addresses

256

Usable Hosts

254

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