Apple iPad Pushing Us Closer to Internet Armageddon
Apple’s latest “i” hit over a million sales in the first 28 days it was available. Combine that with sales of other Internet-abled devices like the iPhone, Android, Blackberry, and other “smart” phon...
Published May 04, 2010
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Lori_MacVittie
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Nimbostratus
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You're assuming that all those iPads were not in the hands of consumers, whose WiFi is enabled via broadband access points and not necessarily using NAT but instead are simply DHCP'ing *public* IPv4 addresses. Many consumers are likely being allocated public addresses - just as they are with their wired PCs - and thus taking up address space.
Cellular are routed through a gateway, but as mentioned - a gateway can only handle so much traffic / so many internal IP addresses per NAT pool - before it starts to fall over, thus requiring additional IPv4 addresses to route through.