Dev

IPv4 Subnet Calculator

Parse CIDR blocks and show network, mask, and host ranges.

Free online ipv4 subnet calculator — runs entirely in your browser. Nothing is sent to our servers.

IPv4 / CIDR

Subnet

CIDR192.168.1.0/24

Network192.168.1.0

Broadcast192.168.1.255

Netmask255.255.255.0

Wildcard0.0.0.255

First host192.168.1.1

Last host192.168.1.254

Usable hosts254

Total addresses256

Prefix24

About this tool

Use this free browser-based ipv4 subnet calculator when you need a quick dev utility without installing software. Processing stays on your device for privacy. Related searches: ip, ipv4, cidr, subnet, network.