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Subnet / CIDR Calculator

Calculate network, broadcast, host range & mask from an IP/CIDR.

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IP address / CIDR

Network address192.168.1.0/24

Netmask255.255.255.0

Wildcard mask0.0.0.255

Broadcast192.168.1.255

First usable host192.168.1.1

Last usable host192.168.1.254

Total addresses256

Usable hosts254

ClassC

TypePrivate (RFC 1918)