However, ISPs have so widely deployed network address translation (NAT) devices, which coordinate multiple intranet addresses through a single Internet address, that they're in no hurry to move to IPv6.
But Cuban figures for internet access include users of the heavily-censored government intranet, which limits users to certain pages such as email or those relevant to their work, adds our correspondent.
The state government of Washington is one organization that has come up with a technology-enhanced Webcast that truly could exist nowhere but the Internet (or, more specifically, the state's intranet).