... bits= 16 bits32-bit IPv4 addressYYYYYYYYYYYYYYY128-bit IPv6 address(Resulting in 4,294, 967 ,2 96 unique IP addresses)(Resulting in 340,282, 366 ,920,938, 463 ,374 ,60 7,432, 768 ,211,4 56 unique ... Commerce, Technical and Economic Assessment of Internet Protocol Version 6 (IPv6) (Washington, D.C.; July 2004). Page 11 GAO-05-471 Internet Protocol Internet communications that could foster new ... IPv6 routers. For example, with IPv6 enabled, most Source: GAO.IPv6enabledIPv6enabledIPv6 compatible dataIPv4 compatible dataRouterRouterIPv4 only Internet Page 23 GAO-05-471 Internet Protocol systems...