Detail map of Washington, District of Columbia, United States Overview map of Washington, District of Columbia, United States

A: Washington, District of Columbia, United States

4.3 Billion IP Addresses Have Been Allocated

2/3/2011

The Internet Corporation for Assigned Names and Numbers (icann.org) announced that the last remaining IPv4 (Internet Protocol version 4) Internet addresses from the central pool of about 4.3 billlion were allocated.

The next Internet protocol, IPv6, will open up a pool of Internet addresses that is a billion-trillion times larger than the total pool of IPv4 addresses--a supply that should be sufficient for the foreseeable future. 

Timeline Themes