← All tools

Subnet calculator

Enter an IPv4 address in CIDR notation (e.g. 10.0.0.0/16).

Network
192.168.1.0
Broadcast
192.168.1.255
Netmask
255.255.255.0
Wildcard
0.0.0.255
First host
192.168.1.1
Last host
192.168.1.254
Usable hosts
254