Developer & Networking
Subnet Calculator
Calculate network address, broadcast address, usable IP range, and host count from any IP address and subnet mask.
FREE INSTANT RESULTS NO SIGNUP UPDATED 2026
Parameters
Summary Output
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Usable IP Range
192.168.1.1 - 192.168.1.254
Total Usable Hosts
254
CIDR Notation
/24
Wildcard Mask
0.0.0.255
Visual Breakdown
Schedule Breakdown
How to Use
Enter any valid IPv4 address and select a CIDR prefix length (subnet mask). The calculator instantly determines the network address, broadcast address, usable IP range, total host count, and wildcard mask.
Example Calculation
For IP 192.168.1.1 with /24 subnet mask: Network = 192.168.1.0, Broadcast = 192.168.1.255, Usable Range = 192.168.1.1 − 192.168.1.254, Usable Hosts = 254, Wildcard = 0.0.0.255.
Formula
Network Address = IP AND Subnet Mask\nBroadcast Address = Network OR (NOT Subnet Mask)\nUsable Hosts = 2^(32 − prefix) − 2\nWildcard Mask = NOT Subnet Mask\n\nSubnet Mask from CIDR prefix P:\nMask = 0xFFFFFFFF << (32 − P)
Frequently Asked Questions
Common questions and answers about the Subnet Calculator.
The Subnet Calculator is a free online tool designed to calculate network address, broadcast address, usable ip range, and host count from any ip address and subnet mask. It allows you to perform these calculations quickly and accurately without manual computations.
Enter any valid IPv4 address and select a CIDR prefix length (subnet mask). The calculator instantly determines the network address, broadcast address, usable IP range, total host count, and wildcard mask. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Subnet Calculator uses the following formula to calculate your results:
Network Address = IP AND Subnet Mask\nBroadcast Address = Network OR (NOT Subnet Mask)\nUsable Hosts = 2^(32 − prefix) − 2\nWildcard Mask = NOT Subnet Mask\n\nSubnet Mask from CIDR prefix P:\nMask = 0xFFFFFFFF << (32 − P)
This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example:
For IP 192.168.1.1 with /24 subnet mask: Network = 192.168.1.0, Broadcast = 192.168.1.255, Usable Range = 192.168.1.1 − 192.168.1.254, Usable Hosts = 254, Wildcard = 0.0.0.255.
This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Subnet Calculator, you need to enter: IP Address, Subnet Mask / CIDR. These inputs help the tool calculate precise results tailored to your situation.
The Subnet Calculator outputs the following details: Network Address, Broadcast Address, Usable IP Range, Total Usable Hosts, CIDR Notation, Wildcard Mask. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Subnet Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Subnet Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.
Categories
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