IPv4 Subnet Calculator (CIDR, Mask, Range)

Type an IPv4 address with CIDR (192.168.1.0/24) and get the network address, broadcast address, usable host range, host count, and the corresponding subnet mask. Reverse: enter a dotted mask (255.255.255.0) and get the CIDR.

IP address with CIDR (e.g. 192.168.1.50/24)