ToolsSubnet Calculator

Subnet Calculator

Turn any CIDR into its ranges

IPv4 CIDR Block

Network Address

192.168.1.0

Broadcast Address

192.168.1.255

Subnet Mask

255.255.255.0

Wildcard Mask

0.0.0.255

First Usable Host

192.168.1.1

Last Usable Host

192.168.1.254

CIDR Notation

192.168.1.0/24

CIDR Prefix

/24

IP Class

C

Total Hosts

256

Usable Hosts

254

Usable host count excludes the network and broadcast addresses. /31 and /32 blocks are special cases (point-to-point and single-host).