The telephone lines are a public utility...regulated and governed...and I believe the INTERNET is now being considered as a utility—or at least there was pressure to make it so...
You can build and INTRANET in your office, that is private...
2. If the phone lines are a "public utility," then does the UN regulate them now, too?
3. In an age of dramatic advances in wireless technology, who cares who controls the telephone lines?
From what I can see, the only function of any organization in overseeing the internet is to regulate and enforce domain names and registrations internationally. Maybe I'm wrong about this.