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by Dagger2
490 days ago
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That's... not how things work in general. It would be possible for an ISP to do that, and I'm sure somebody somewhere does, but they could do the exact same thing on v4 so you don't get to blame v6 for it. If your ISP runs the default router for your own LAN, they'll have full visibility into it on both v4 and v6. That's just how IP works. |
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Most ISP I have seen implement it like this. A large chunk of those "most" also require you to bind a phone number to each separate hwaddr appearing in the network via SMS. (Not all though.)
Those few that implement it differently, do the following:
They serve ULAs to the customers over slaac, and nat6 all the ULAs to a single ipv6 assigned to the router (actually a wifi hotspot).
I totally believe that where you live things are done differently, but this is exactly why ipv6 critics call it defective. It allows too large a variety in implementations.