CIDR Range Visualizer

Enter a CIDR block and see the full address range, usable hosts, and subnet details.

CIDR Notation

Network Address192.168.1.0

Subnet Mask255.255.255.0

Broadcast192.168.1.255

First Usable192.168.1.1

Last Usable192.168.1.254

Usable Hosts254

Total Addresses256

Prefix Length/24

Wildcard Mask0.0.0.255

Common CIDR sizes: