The Internet currently uses IP version four (IPv4) addressing format that is now almost thirty years old…
So, the range of internet addresses within the IPv4 realm is expected to run out sometime in November 2011… The upper limit of addresses possible with IPv4 is 4,294,967,296. This seems massive, but for a variety of reasons, 14% of this total is currently unallocated (and will never be used…)
Some bright spark has calculated that the IPv6 address space can handle about 340 trillion, trillion, trillion addresses. That’s enough for everyone on the planet to have trillions of IP addresses without [...]
