Current IPv6 state of US Mobile Phone Carriers

Paul Graydon paul at
Tue May 22 23:40:08 UTC 2012

On 05/22/2012 01:21 PM, Cameron Byrne wrote:
> On May 22, 2012 4:00 PM, "Paul Porter"<paul.porter at>  wrote:
>> Hi NANOG,
>> I'm looking for some information on the four largest US mobile phone
>> carriers and the current state of their IPv6 infrastructure. Specifically,
>> we are trying to figure out:
>> 1.  How much of the carrier core and edge for AT&T, Verizon. T-Mobile, and
>> Sprint are on IPv6 now?
> Hi,
> T-Mobile USA has native ipv6 to all subscribers in all of it's coverage
> area. But, less than 1% of subscribers use IPv6 because they do not have an
> IPv6 capable phone. The Nexus S and Galaxy Nexus work well.
> This device challenge will improve in time.  Samsung is doing a good job of
> bringing IPv6 to Android devices. More info here
That's interesting.  I have a Galaxy Nexus on T-Mobile USA and it 
doesn't get an IPv6 address, only IPv4.  Works fine with IPv6 over my 
wireless network at home.  Doesn't seem to be anything obvious in the 
settings to enable or disable that.


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