Trey Perry

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IPv4, CIDR, and Amazon VPCs in a Nutshell

As a former colleague of mine often said, “It’s just bits.” In this post, we’ll explore IPv4, CIDR notation, and conclude by using some knowledge of both to create an Amazon VPC. Needless to say, I’ve seen some astoundingly complex explanations of CIDR notation and subnets. There are even several books that [...]

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