I used to have that. Then all residential customers were put under a CGN, and you can ask for a dedicated, public IP, free of charge. I imagine 99.9% of users c

I used to have that. Then all residential customers were put under a CGN, and you can ask for a dedicated, public IP, free of charge. I imagine 99.9% of users can't tell the difference so the ISP saved a lot of IP space, while customers are just as happy.