Calculating CIDR notation from IP address netmask

Posted in Monday, September 21, 2009 ¬ 11:43h.webmasterNo Comments »

If you need to calculate the classless inter domain routing notation (CIDR) from a given IP address netmask or IP address range, there are many free online calculators available, which will do the job.

CIDR simply replaces the subnet mask, such as 255.255.240.0, which expressed as CIDR notation is replaced with /20.

We recommend the calculator at IP Address Location IP Subnet Calculator.

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