Given an IP address and subnetmask, how do I calculate the CIDR ?

Posted by Roel on Stack Overflow See other posts from Stack Overflow or by Roel
Published on 2010-03-24T13:25:14Z Indexed on 2010/03/29 11:43 UTC
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c#

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.NET

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ipaddress

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subnet

Ok I can't seem to figure this out: given the following:

IP address = 192.168.1.0
Subnetmask = 255.255.255.240

Using c#, how do I calculate the CIDR notation 192.168.1.0/28 ? Is there an easy way to achieve this? Am I missing something?

Thanks!

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