[acveilleux]

Senior network/routing/noc staff at the top 5-10 backbones mostly. They move most/all bits at some points. For 2014 that was Level 3, Telia Sonera, Cogent, GTT, Tata, Verizon, Sprint and a few others.

Source: http://research.dyn.com/2015/02/bakers-dozen-2014-edition/

One or more of these networks likely provides transit to the errand AS or the errand AS' upstream and they can lean on them pretty hard. Doing so will be in full compliance to whatever transit agreement exists between them as well. No need to be big brother about it, it's plain self-interest. They have SLAs to meet.