Re: AT&T Uverse/DSL Network Engineer DNS question

[Jonathan Lassoff <jof () thejof com>]

These appear to be an anycasted service, as I reach different destinations
based on my source address.

Hopefully each deployment has unique origin IPs for their recursive queries.

I would recommend against looking at RIR registration data to determine IP
location. There's often little to no correlation, there.

--j

On Tue, Feb 5, 2013 at 1:01 PM, Tim Haak <thaitim43 () hotmail com> wrote:

> Hi,
>
>
>
>
> Can a AT&T Uverse/DSL Network Engineer answer a question about the DNS
> server IPs that are handed out to customers please? I am currently testing
> from
> a Florida IP. Can you please let me know if all Uverse and DSL customers
> across the United States only use these 2 IPs as their primary and
> secondary
> DNS servers?
>
>
>
> 68.94.156.1
>
> 68.94.157.1
>
>
>
> We
> provide services based on IP GEO-location. Since the 2 recursive resolvers
> below are registered in Texas every DNS query for any of our records return
> results that are intended for IPs in that region. In other words, users on
> the
> east coast would actually resolve to a central part of the US or west
> coast IP.
>
>
>
> Thanks
> in advance,Tim