Calculators

IPv4 Subnet Calculator

Calculate IPv4 subnet details. Get network address, broadcast, host range, wildcard mask, and binary representation.

About This Tool

Calculate IPv4 subnet information from an IP address and CIDR notation or subnet mask. Get network address, broadcast address, usable host range, and more.

How to Use

  1. Enter an IP address (e.g., 192.168.1.0)
  2. Enter CIDR notation (/24) or subnet mask (255.255.255.0)
  3. Click Calculate to see all subnet details

FAQ

What is CIDR notation?

CIDR (Classless Inter-Domain Routing) notation like /24 represents the number of network bits in the subnet mask. /24 equals 255.255.255.0.