Akamai reports that six IPv6 access networks account for 86% of its IPv6 requests. Three of these networks -- Verizon , AT&T and Comcast -- are U.S. companies. The other leading IPv6 access networks are France's Free, Japan's KDDI and Romania's RCS & RDS, Akamai says. that 73% of the IPv6 addresses that it sees are from the United States, a sign of carrier progress.

4. Traffic

North America is driving more than any other region of the world, according to Akamai. Here are the peak traffic volumes reported by Akamai for each region:

Region Peak IPv6 Traffic Volume Date

1. North America 92,891 hits/sec 9/11/2012