Network & Sysadmin CIDR /0 to /32

IPv4 CIDR Subnet Calculator

Calculate network ranges, usable hosts, broadcast IP, wildcard mask, and binary notation for any CIDR.

IPv4 Host Address

CIDR Mask (/Prefix)

Network Address

192.168.1.0

CIDR: /24

Broadcast Address

192.168.1.255

All-Ones Host Bits

Usable Hosts

254

Total IPs: 256

Subnet Mask

255.255.255.0

Wildcard: 0.0.0.255

Subnet Architecture Details

Class C // RFC 1918 Private

Usable Host IP Range	192.168.1.1 - 192.168.1.254
Binary IP Notation	11000000.10101000.00000001.01100100
Binary Subnet Mask	11111111.11111111.11111111.00000000
Cisco ACL Wildcard Mask	0.0.0.255

About this Tool & How to Use It

The IPv4 CIDR Subnet Calculator is engineered to provide fast, reliable results without requiring software installations, sign-ups, or invasive analytics. All computations and transformations happen locally inside your browser whenever possible, keeping your sensitive data private.

Key Features

Zero Installation: Runs instantly inside any modern desktop, tablet, or mobile web browser.
Privacy by Default: Your inputs never touch remote servers unless network DNS or server sockets are explicitly queried.
One-Click Workflow: Copy results directly to your clipboard or download formatted outputs with a single click.