Re: really facebook?

[joel jaeggli <joelja () bogus com>]

On 12/27/12 10:29 AM, mike wrote:
> On 12/27/12 9:25 AM, joel jaeggli wrote:
> > On 12/27/12 9:04 AM, mike wrote:
> > > I reloaded their app (yes, I know... sew me) and got this warning:
> > >
> > > IP address:     2600:100f:b119:c6bc:bd6f:fabb:ff30:2a3d
> > > Estimated location:     Livingston, NJ, US
> > That's a rather good estimation of where many verizon wireless 
> > customers appear to come from.
>
> This can't mean that all of their v6 traffic is backhauled to NJ, right?
Wireless carriers have a limited number of PDN gateways in their 
networks. it is entirely plausible that your packets visited new jersey.
> > > Which seems pretty bizarre. I'm guessing they must be getting it from
> > > whois or something based on the address block for Verizon. The reverse
> > > map according to
> > >
> > > host 2600:100f:b119:c6bc:bd6f:fabb:ff30:2a3d
> > one assumes they have a an geoip database like they have for ipv4
> > > comes back with NXDOMAIN. I suppose the real issue here is with Vz
> > > and why they don't have v6 reverse maps, but it did throw me 
> > > thinking that
> > > somebody in New Jersey might have hacked my account.
> > Well could certainly wildcard their responses, not sure that dynamic 
> > dns updates would be either scalable or appropiate.
>
> Right, brain fart on my part. Reverse map has nothing to do with a 
> geoip database.
> It's still strange that it has no reverse map though. I wonder what 
> might break because
> of that assumption :)
>
> Mike
> > > Mike