
Subnet Calculator - IP Tool
CIDR calculator for engineers.
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Free
In-App PurchasesWith Ads
About
"Subnet Calculator" is a simple yet powerful IP address calculation tool designed for network engineers, IT professionals, and students.
Simply enter an IP address and select the CIDR (prefix length) to instantly calculate essential network information:
Network Address
Broadcast Address
Usable IP Range
Number of Available Hosts
[Key Features]
Intuitive Interface: Fast decimal pad input and easy CIDR selection to speed up your workflow.
Strict Input Validation: Prevents configuration errors by blocking invalid formats like leading zeros (e.g., 010) that can be misread by routers as octal numbers.
One-Tap Copy: Copy the entire calculation result to your clipboard with a single tap, making it easy to paste into terminal sessions or documentation.
Cheat Sheet: Includes a quick reference list of subnet masks and host counts from /8 to /32.
Built to improve efficiency in network design, deployment, and troubleshooting. A must-have utility tool for your daily IT operations.
[Disclaimer]
While every effort has been made to ensure the accuracy of the calculation results, the developer makes no guarantees regarding its suitability for all environments. The developer shall not be held liable for any network issues, damages, or losses resulting from the use of this application. Please verify all configurations at your own risk before deploying them to actual network equipment.
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What's New in Subnet Calculator
1.0.2
August 25, 2026
Minor bug fixes and improvements.
2
In-App Purchases
$2.99
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