IP Subnet Calculator

Calculate network information from an IP address and CIDR prefix.

IP Address

CIDR Prefix (/24)

Select mask bits from 0 to 32

Calculation Results

IP Address:192.168.1.1

Network Address:192.168.1.0

Usable Host Range:192.168.1.1 - 192.168.1.254

Broadcast Address:192.168.1.255

Subnet Mask:255.255.255.0

Number of Usable Hosts:254