10.49.82.25 is a non-routable IP [1] -- meaning this is on their [facebook's] internal network. So, I would report this to Facebook, as some internal system has

10.49.82.25 is a non-routable IP [1] -- meaning this is on their [facebook's] internal network. So, I would report this to Facebook, as some internal system has gone off the rails. Facebook can trace this IP back to an internal set of machines, and figure out what is going on. This is most likely a bug or something. Looks like you can probably report something here [2]. I would mention the bit about 10.49.82.25 being a non-routable IP and that an internal system is doing something wrong. [1] http://en.wikipedia.org/wiki/Private_network#Private_IPv4_address_spaces http://en.wikipedia.org/wiki/Private_network#Private_IPv4_ad... [2] http://www.facebook.com/help/contact/?id=357439354283890 http://www.facebook.com/help/contact/?id=357439354283890