phone fun, was GeoIP database issues and the real world consequences

Leo Bicknell bicknell at ufp.org
Thu Apr 14 15:32:36 UTC 2016


In a message written on Thu, Apr 14, 2016 at 12:29:39AM -0000, John Levine wrote:
> The people on nanog are not typical.  I looked around for statistics
> and didn't find much, but it looks like only a few percent of numbers
> are ported each month, and it's often the same numbers being ported
> repeatedly.

It's a big issue for political pollers, and they have some data:

http://www.pewresearch.org/fact-tank/2016/01/05/pew-research-center-will-call-75-cellphones-for-surveys-in-2016/

    "roughly half (47%) of U.S. adults whose only phone is a cellphone."

    "in a recent national poll, 8% of people interviewed by cellphone in
     California had a phone number from a state other than California.
     Similarly, of the people called on a cellphone number associated with
     California, 10% were interviewed in a different state."

So maybe 10% of all cell phones are primarly used in the "wrong" area?

-- 
Leo Bicknell - bicknell at ufp.org
PGP keys at http://www.ufp.org/~bicknell/
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