On Thu, Oct 3, 2019 at 12:40 PM John R. Levine <jo...@iecc.com> wrote:
> In article <d3f78384-9b25-c4c4-495f-5dcc0e0c1...@satchell.net>, > Stephen Satchell <nanog@nanog.org> wrote: > > My AT&T cell phone has both IPv4 and IPv6 addresses. The IPv4 address > > is from my access point; the IPv6 address appears to be a public address. > > My AT&T cellphone (via MVNO Tracfone) has a 10/8 IPv4 address and IPv6 > address 2600:380:28be:8b34:2504:2096:6ac7:6262. But when I connect to a > web site that reports the connecting address, it says I'm > 2600:387:a:9a2::8. > > What's going on there? Those are both within at&t's 2600:300::/24', but > am I behind a NAT66? An aggressive web cache? > This is a unique proxying feature of AT&T Tmobile US, VZ, and Sprint all have IPv6, but only AT&T has this behavior afaik. > -- > Regards, > John Levine, jo...@taugh.com, Primary Perpetrator of "The Internet for > Dummies", > Please consider the environment before reading this e-mail. https://jl.ly > >
