Subnet Calculator for IPV4

The IP Subnet Calculator performs subnet calculations for the given network address block, subnet mask, maximum required hosts per subnet and determines the resulting broadcast address, subnet, Cisco wildcard mask and host range.

Calculate IP Subnets Instantly

Easily calculate your IPV4 subnet using our free online subnet calculator. Ensure your network is set up correctly.

What is an IPv4 Subnet Calculator?

An IPv4 Subnet Calculator is a free online tool that helps network administrators and IT professionals calculate subnet masks, IP ranges, and CIDR notation for IPv4 addresses. It simplifies network planning by dividing large networks into smaller, more efficient subnets.

Why Use Our IPv4 Subnet Calculator?

  • Instant Subnet Calculation – Get network and broadcast addresses in seconds.
  • 100% Free & Easy to Use – No installation or registration required.
  • Supports CIDR Notation – Convert between subnet masks and CIDR prefixes.
  • Helps Optimize IP Addressing – Avoid wastage and improve network efficiency.

How to Use the IPv4 Subnet Calculator?

  1. Enter an IPv4 Address – Input your base IP address (e.g., 192.168.1.1).
  2. Select a Subnet Mask or CIDR Prefix – Choose from /8 to /30 or enter a custom mask.
  3. Click ‘Calculate’ – Get subnet details, including network range and broadcast address.
  4. Use Results for Network Planning – Optimize routing and security settings.

Who Can Benefit from This Tool?

  • Network Administrators – Manage and allocate IP addresses efficiently.
  • IT Professionals – Plan network topology with proper subnetting.
  • Students & Learners – Understand subnetting for certifications like CCNA.

FAQs – IPv4 Subnet Calculator

1. Is this tool free to use?
Yes! You can calculate IPv4 subnets without any cost.

2. What information does this tool provide?
It provides network address, broadcast address, subnet mask, usable IP range, and total hosts.

3. Can I calculate subnets for private and public IPs?
Yes! The tool works for both private (e.g., 192.168.x.x) and public IP ranges.

This Tool Also Knows As:

  • IP Subnet Calculator
  • IPv4 Network Calculator
  • CIDR Subnet Mask Calculator
  • Subnet Range Finder
  • Network Address Calculator

Calculate Your IPv4 Subnet Now!

Use our free tool to instantly calculate subnet masks, IP ranges, and CIDR notations for IPv4 networks.