Larger Address Space
IPv4
32 bits or 4 bytes long
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≈ 4,200,000,000 possible addressable nodes[/list]
IPv6
128 bits or 16 bytes: four times the bits of IPv4
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≈ 3.4 * 10[/list]
38 possible addressable nodes
≈ 340,282,366,920,938,463,463,374,607,431,768,211
≈ 5 * 1028...