YOU need control over the final NAT device that has a public IP. It sounds like you don't... Since YOUR "public" IP is still a private IP, there is really nothing you can do as fat as I see, besides ...

6 Types of Network Address Translation: Which One to Use? Your email has been sent Even though we’re no longer running out of IP addresses, Network Address Translation still plays a vital role. Learn ...

I'm having trouble with static NAT translations, and I'm running into a brick wall trying to get this figured out. At home, I've got Comcast business-class cable Internet that includes an SMC router.