IPv4 Subnet Calculator
Enter an IPv4 address and prefix length to calculate the subnet details.
Calculation results
IP address192.168.1.10
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
IP address (binary)
11000000.10101000.00000001.00001010Subnet mask (binary)
11111111.11111111.11111111.00000000For a /24 network, 254 host addresses are usable.