Next February 2nd has been dubbed "D-Day" by many computer scientists, with the world expected to run out of IP address blocks at that time.

Internet Protocol addresses are the unique number sequences allocated to every website. The Internet Assigned Numbers Authority distributes these digits to registries representing five global regions. IPv4 is the last block of addresses based on the original standard. The world has about 4.3 billion IPv4 addresses.

The next Internet Protocol generation is IPv6, which provides four billion times more space, to help ensure the web continues its current growth rate. China's current IPv6 application volume is 345 times less than that of top-ranked Germany.

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