IP Range Calculator
Calculate network range, broadcast, and usable hosts from CIDR notation.
Network192.168.1.0
Subnet Mask255.255.255.0
First Host192.168.1.1
Last Host192.168.1.254
Broadcast192.168.1.255
Total Addresses256
Usable Hosts254
CIDR/24
Calculate network range, broadcast, and usable hosts from CIDR notation.