http://www.ormuco.com/
It provides data center solutions, which companies pay to handle "solutions". The info that SE is paying is derived from the fact that traceroutes have proven that Ormuco is the company it goes through. So, SE pays Ormuco.
The issue is also derived from how Ormuco is communicating with the CDN (http://en.wikipedia.org/wiki/Content_delivery_network), Level-3. As in, how it is getting from the data center solution -> Level-3.
