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Guides and comparisons

Reference tables computed by code, with sources and dates. Each guide links to the tool that does the work.

01Guides

01CIDR Subnet Sizes: /8 to /32 Hosts and MasksEvery IPv4 prefix from /8 to /32 with its netmask, wildcard, address count, usable hosts and AWS usable count, computed by code. Plus how to split a /16 into subnets.