Traceroute to various websites. You'll see that the IPs on the pathway are owned by companies that are neither you nor the guy you're accessing. It's how the Internet works at the network layer. You may find that some people are on every path. Your carrier, certainly, but often the first provider they're connected to.
You'll see that the IPs on the pathway are owned by companies that are neither you nor the guy you're accessing.
Yes, but you shouldn't add another one you didn't know (e.g. free vpn).