I think Comcast is using CGN too!!! My IP address displayed on my MacBook is in the 10.0.0.0/8 range, and ARIN website can't determine my IP address either.
Joe Sent from my iPhone On Apr 6, 2013, at 9:33 PM, "Joshua Smith" <juice...@gmail.com> wrote: > Very interesting indeed. Way to do the right thing here Verizon. This may be > the first time I've been happy to be a Comcast customer. > > -- > Josh Smith > kD8HRX > > email/jabber: juice...@gmail.com > Phone: 304.237.9369(c) > > Sent from my iPad > > > On Apr 6, 2013, at 9:24 PM, "cb.list6" <cb.li...@gmail.com> wrote: > >> Interesting. >> >> http://www22.verizon.com/support/residential/internet/highspeedinternet/networking/troubleshooting/portforwarding/123897.htm >