Python, How to get all external ip addresses with multiple NICs

Question

What is the most efficient way to get all of the external ip address of a machine with multiple nics, using python? I understand that an external server is neeeded (I have o

Answer 1

For the general case, there is no solution. Consider the case where the local machine is behind a machine with two IP addresses doing NAT. You can change your local interface to anything you like, but it's unlikely that you'll convince the NAT machine to make a different routing decision on its outgoing connections.