For those who needs this later, you can set up http proxy and send a simple get request to https://api.ipify.org , it will give you the ip adress in plain text, no need to parse the json.
One of many simple and easy ways to do it.
I was expecting to get a single exe file as a result of compiling.
BAS gives a folder with several files as result of compile operation. You can zip it and send to customer. In fact that folder conatins only online installer, which will download correct BAS version with correct architecture on first run.