Type any IPv4 address in CIDR form and get the network, broadcast, mask, wildcard, host range, and usable host count — instantly, on your device.
The /number is how many bits of the address name the network. A /24 leaves 8 bits for hosts (254 usable), a /26 leaves 6 (62 usable), a /30 is the classic point-to-point pair. First address in the block is the network, last is broadcast — you can't assign either to a device.
More free tools: bvtech.org/tools.
