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Originally Posted by Kushan
If only it were that simple.
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I agree with Ignition. It
is that simple.
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I'm not sure this happens as much as you think it does. A lot of the existing bypasses don't even use a VPN but simply fiddle with the DNS. So for a start, you have to be careful you know which IP's originate from which countries - something that isn't always accurate, but sure that's doable.
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It's a lot easier than you think. All IP addresses are allocated to specific countries and specific entities in that country by global, then regional regulatory authorities. Nobody can simply pick an IP out of the air and use it.
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Next, you're assuming that VPN's don't have a swathe of IP's to route. I know a few that have plenty to put their customers on.
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Again, all IPs must be officially registered with the relevant regulatory body. Allocations are usually done in blocks, and information on who owns what block is freely available from the regulators. Once you find an offending body it's trivial to list every IP that company is allowed to use and ban them all.
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How do you know it's coming from a datacentre? An IP doesn't give you any indication of where it's physically located and is not an identifier of anything other than a machine.
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An IP address also identifies the company that owns it.
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Like I said before, it's possible, but it's just not feasible.
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I disagree. If they were lazy they could just whitelist the major US ISPs and block everything else.