Tools / DNS & Network
CIDR / Subnet Calculator
Network, broadcast, mask and host range for any IPv4 block
Network address192.168.1.0
Broadcast address192.168.1.255
Subnet mask255.255.255.0
Wildcard mask0.0.0.255
First host192.168.1.1
Last host192.168.1.254
Total addresses256
Usable hosts254
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