CIDR & Subnet Calculator
Shortcut ⌘↵Network, broadcast, wildcard, usable range, and host counts.
100% client-side · no data leaves this device
CIDR
10.0.0.0/24
Network Address
10.0.0.0
Broadcast Address
10.0.0.255
Netmask
255.255.255.0
Wildcard Mask
0.0.0.255
Usable IP Range
10.0.0.1 – 10.0.0.254
Total Hosts
256
Usable Hosts
254