Free Tool

Subnet / CIDR Calculator
calculate network ranges instantly

Calculate network address, broadcast, usable hosts, and subnet mask from any IP and CIDR prefix. Adjust the prefix with a slider for live results.

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IP Address

CIDR Prefix (/24)

Common Subnets

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

Total Usable Hosts

254

CIDR Notation

192.168.1.0/24

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