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Experiment

Subnet Calculator

Drag the CIDR slider and watch network, broadcast, and host range recompute bit by bit.

Systems

Demo

Subnet Calculator

IPv4 address
Network address
192.168.1.0
Broadcast address
192.168.1.255
Subnet mask
255.255.255.0
Wildcard mask
0.0.0.255
First usable host
192.168.1.1
Last usable host
192.168.1.254
Usable hosts
254
Network 192.168.1.0/24, broadcast 192.168.1.255, 254 usable hosts.

Edit the address or drag the prefix; the mask, host range, and binary view recompute as you go.