IPv6 uses a 128-bit address which allows for 2128 , or approximately 3.4 x 1038 addresses. 3.4 x 1038 is equal to 340 undecillion IP addresses.
Therefore, there are 340,000,000,000,000,000,000,000,000,000,000,000,000 IPv6 addresses.
How many IPv6 IP addresses are there?
