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by BlueTemplar 1989 days ago
It's possible that he insists on IPv4 for some reason, though IMHO this is a bad idea and he should try everything to move to IPv6.

As you might guess, the ISPs that are forced to use CGNAT due to the lack of IPv4 addresses, are also the ones who tend to be the first on IPv6, for obvious reasons.

I know of a big ISP, a relative latecomer, infamous due to its CGNAT issues, who last summer boasted reaching 99% IPv6 coverage.

(And at the same time, for some reason they had to be forced by the government threats, that otherwise they would not be allowed to use 5G, to add opt-in IPv6 on cellular, which they did at the last moment last month...)