Free IP Subnet Calculator
Calcule sub-redes IP, máscara, faixa de hosts e endereço de broadcast.
Frequently Asked Questions
Is the Calculadora de Sub-rede free to use?
Yes, the Calculadora de Sub-rede on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the Calculadora de Sub-rede work?
Calcule sub-redes IP, máscara, faixa de hosts e endereço de broadcast. No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the Calculadora de Sub-rede?
No installation needed. The Calculadora de Sub-rede runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the Calculadora de Sub-rede?
Completely safe. The Calculadora de Sub-rede processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the Calculadora de Sub-rede work offline?
After the page loads for the first time, the Calculadora de Sub-rede works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
How current is the data returned by the Calculadora de Sub-rede?
The Calculadora de Sub-rede fetches live data in real time each time you run it. Results reflect the current state of the server or domain at the moment of the request.