I reckon it's ours. Yours, mine, everyone else's. All equal in the ether.
Hence i've joined the petition to try and ensure the UK keeps it's net-neutrality.
Rich Huxley's site gives you a bit more detail, but basically, click this net neutrality letter link, fill in your details and it will create an e-mail and send it to your MP.
I want the web to there for all of us, not who Sky or BT or Virgin decide they want it to be open to.