Comcast backbone issues

Something is broken with Comcast Business Internet.

Speed test (urg) to Comcast in Seattle gives 50/10 – as expected:

Speed test to Comcast in San Jose gives 50/10 as expected:

Speed test to Comcast in Salt Lake gives 2/10 – which is horribly broken.

Same Ookla test outside Comcast – and I get 2/10 in Seattle.

Comcast Chicago compared with Comcast Seattle.