Back in October I wrote about how my landlord provides an Internet connection with a private IPv4 address. I explained that I want to connect several devices and so I have installed my own NAT and now sit behind a “double NAT”. The only problems I’ve had have been with some VoIP software that can’t jump multiple NATs.

My landlord isn’t the only ISP providing an Internet connection using private IPv4 addresses. As mentioned at the last AfriNIC meeting, there are many millions of connections sitting behind hierarchies of IPv4 NATs.

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