What Is Cidr Subnet Table?
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CIDR subnet tables are a way of organizing networks and IP addressing on the Internet. They contain information such as the network addresses, subnet masks, broadcast addresses, prefix/suffix notation, and how many IP addresses are in each subnet. CIDR stands for Classless Inter–Domain Routing, which is a more efficient system than the old classful routing. This allows more efficient use of IP address space, resulting in fewer wasted IP addresses.