InterMapper uses the Classless Inter-Domain Routing (CIDR) notation to represent IP subnet information. The number in the "/xx" shorthand stands for the number of bits set to one in the subnet mask. The convention is always to start at the left end of the 32-bit subnet mask.

See the table in About Subnets to see the correspondence between the "/xx" notation and the actual numeric representation.

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Last Modified On: September 02, 2017