IP Subnet Calculator

Work out the network, broadcast and usable address range for a camera or access control subnet.

Results

Subnet mask: 255.255.255.0

Network address: 192.168.1.0

Broadcast address: 192.168.1.255

Usable addresses: 192.168.1.1 to 192.168.1.254

Usable hosts: 254

Leave room for growth -- a camera network often ends up with more devices than planned.

How it works

The prefix length sets the subnet mask. The network address is the IP address with the host bits cleared, the broadcast address has them all set, and the usable host addresses sit between the two.

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