// tool
CIDR Calculator
Paste any IPv4 CIDR block. Computed locally — nothing sent over the network.
Network10.0.0.0/24
Network address10.0.0.0
Broadcast10.0.0.255
Netmask255.255.255.0
First host10.0.0.1
Last host10.0.0.254
Usable hosts254
// tool
Paste any IPv4 CIDR block. Computed locally — nothing sent over the network.