IP Subnet Calculator
IPv4 CIDR & Subnetting Tool
Examples:
Enter values and press Calculate.
10.1.2.3/28 or 172.16.5.4 255.255.255.0Enter values and press Calculate.
Network Address
—
Broadcast Address
—
First Usable IP
—
Last Usable IP
—
Usable Hosts
—
Wildcard Mask
—
Subnet Mask
—
CIDR Notation
—