Networking and infrastructure
IPv4 subnet calculator
Inspect the network address, broadcast address and host range for an IPv4 CIDR block.
Loading the interactive tool…
How it works
Calculates the IPv4 network using the supplied prefix. Network and broadcast addresses are included in the range; traditional usable-host counts exclude them except for /31 and /32.
Example
192.168.1.10/24 belongs to network 192.168.1.0/24.