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Network
CIDR / Subnet Calculator
Network, broadcast, host range and count for any IPv4 CIDR.
IPv4 CIDR
Network
192.168.1.0Broadcast
192.168.1.255Netmask
255.255.255.0Wildcard
0.0.0.255First host
192.168.1.1Last host
192.168.1.254Usable hosts
254Range
192.168.1.0 – 192.168.1.255Runs entirely in your browser — nothing is sent anywhere.