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From my experience most ISPs don't give publicly routable addresses anymore, just throwing everybody behind CGNAT (currently I pay extra 3$ monthly fee for stat
by garaetjjte 6y ago
From my experience most ISPs don't give publicly routable addresses anymore, just throwing everybody behind CGNAT (currently I pay extra 3$ monthly fee for static routable IP, but not all providers offer it). And IPv6 is usually still not deployed.
- greg5green 6y agoIn the US, it's pretty rare to be behind CGNAT or not have IPv6. We're lucky in that regard.
- bscphil 6y agoAs the other comment says, I've never seen CGNAT in the US. I'm sure it's deployed in some cases, but I've never had to deal with it. I'm confused about it though. For some applications and games you need to connect peer-to-peer for them to work correctly. How is it possible to connect to a peer with some random port open (e.g. 48295)? It doesn't seem like the ISP could know that the request was aimed at you, if something like UPnP isn't being used. Or does CGNAT simply disable all incoming connections, breaking p2p applications entirely?
- NickNameNick 6y agoSome systems use an internet service to coordinate nat-traversal/hole punching. Other systems just don't work.