Who owns the "telephonenet"?
nobody. it is a mix of companies and govt telcom companies that cooperate according to standards.
Who owns the "electricnet"?
Nobody. it is a mix of electric companies, with some long distance ties to share power.
Who owns the "cableTVnet"?
nobody. again a mix of companies by country, with satellites and data links to share programming from the sources.
Who owns the "SatelliteTVnet"?
nobody. Ok, dish TV and the other company.
Who owns the "roadnet"?
typically govts of the area the roads are in, along with a few private toll roads.
This question is actually hilarious: an otherwise very intelligent entrepreneur who owned the bulk of the company I was working at, turned to me and said in the wide-eyed amazement of a 5 year old asking 'Why?' or the techno-dazzle hype of an iPhone ad: "[Dr Dij], who owns the Internet?"
It was all I could do to not roll off my chair laughing.
"Mommy, who owns the internet?"
"Is Santa-Claws real? - I can find a website that tracks his progress"
"Why does Google-Ocean show lines that look like Atlantis" [hint- they are artifacts of sonar torpedoes that are dragged around in lines to map the ocean floor]