IP Subnetting

IPv4 subnet mask, host range, and network planning calculators.

Calculators

Choose a calculator.

Browse all 1 calculators in this leaf category.

IP Subnet Calculator

Break down any IPv4 address and prefix into network address, broadcast, host range, subnet mask, wildcard mask, and usable host count.

Use calculator

Privacy choices

Help us improve the site.

If you allow analytics, we may use Google Analytics and Microsoft Clarity to better understand how the site is used. Analytics remain off unless you accept.