CIDR Calculator
Calculate subnet mask, network, broadcast, and host range from CIDR.
CIDR Notation
192.168.1.0/24
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Total Addresses
256
Usable Hosts
254