The verylargeIPv6addressspacesupports2128 (about 3.4×1038) addresses, orapproximately5×1028 (roughly 295) addressesfor each of the roughly 6.5 billion (6.5×109) people alive today.[1] In a different perspective, this is 252 addresses for every observable star in the known universe[2] - more than ten billion billion billion times as many addresses as IPv4 (232) supported.
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The very large IPv6 address space supports 2128 (about 3.4×1038) addresses, or approximately 5×1028 (roughly 295) addresses for each of the roughly 6.5 billion (6.5×109) people alive today.[1] In a different perspective, this is 252 addresses for every observable star in the known universe[2] - more than ten billion billion billion times as many addresses as IPv4 (232) supported.