> However, my ISP is doing some weird 1:1-NAT It's probably a 1:Many NAT, where the external IP you see yourself as coming from, is used by many customers, not

> However, my ISP is doing some weird 1:1-NAT It's probably a 1:Many NAT, where the external IP you see yourself as coming from, is used by many customers, not just you. Otherwise there's no upside to deploying the additional overhead and cost of CGN devices for the carrier.