Step 2. Install "skype56.exe", it will install a really old version of Skype where it does not encrypt logs which makes it easy for us to grab the IP.
Step 3. Now what you are going to do is open up Smsniff and IPNetInfo. You will need to capture packets from the victim. Just simply start capturing on smssniffer, send them a message and then call the victim. Go to connection in smsniff and the arrows will roll in a circle.
Step 4. Just wait until the arrows stop rolling and then stop capturing packets. Go to the internet protocols you have collected and copy them all. (Click one > CTRL + A > CTRL + C) Step 5. Paste it into IPNetInfo. From here, just figure it out yourself. Just search for a list of common ISPs and do it yourself.
Credits: Nirsoft for the software. Scan: Do it yourself, http://malwr.com/