IP Subnet Calculator

Adjust the inputs below. Results update as you type.

CIDR (e.g. 10.0.0.0/8)

Network: 192.168.1.0
Broadcast: 192.168.1.255
Subnet mask: 255.255.255.0
Prefix: /24
First host: 192.168.1.1
Last host: 192.168.1.254
Usable hosts (typical): 254

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