Graphical displays of latency/packet loss for Top Internet backbones

For AT&T, see and the
pages it links to.

    --Steve Bellovin,

>Does anyone have a list of a few sites on the Internet which display
>and/or statistical information on packet loss and latency for major
>providers? Specifically I am looking for comparisons for
major providers such
>as AT&T/MCI/Qwest/Level3/Savvis etc...

Did anyone mention

There is also an but it doesn't seem to be
backbone heavy.