This is resolved. One of their customers in the facility was under a denial of service attack. I imagine some sort of mitigation technique was employed. No further details were available. On Thu, Oct 22, 2009 at 6:10 AM, Jason Dearborn <jasondearborn@gmail.com>wrote:

Level 3 is experiencing heavy packet loss (>60%) out of 6 Braham St, London UK. They claim one of their devices is having routing problems. Techs have been dispatched to the facility.

Parent ticket is 3724603