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Can you have a class C IP address with a subnet mask of 255.255.0.0?

Fresh5 days ago
Mar 15, 202630224 views
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Problem

Can you have a class C IP address with a subnet mask of 255.255.0.0? What happens when you have a setting like this?

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Fix for: Can you have a class C IP address with a subnet mask of 255.255.0.0?

Low Risk

IP Classes A,B and C have been obsoleted a long time ago (1993) by CIDR. Class D is still in use for multicasting. You are now free to use whatever mask you want as long as you own the affected IP addresses ranges. However, as you are unlikely to ow…

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Environment