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by jlgaddis 2252 days ago
Many ISPs, particular in EMEA, don't even hand out public IP addresses to their customers; cf. CGNAT [0]. End users, at home, will get RFC1918 or RFC6598 IPs from their provider.

While they could still use a dynamic DNS service, the public IP that it sees will actually be a public IP address that is shared by many customers.

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[0]: https://en.wikipedia.org/wiki/Carrier-grade_NAT