> Also, most ISPs don't run CGNAT (except historically notoriously many in Italy, and by now also a few in the USA). My understanding is that essentially every

> Also, most ISPs don't run CGNAT (except historically notoriously many in Italy, and by now also a few in the USA). My understanding is that essentially every mobile network in the world uses CGNAT. I happen to have AT&T, T-Mobile, and Verizon SIMs handy at the moment, and all 3 of them are behind NAT.