One example is, in case you go exterior your own home and link with some coffee shop's wifi, your gadget is assigned a completely new IP that differs from a household Net IP. Most ISP assigns IPv4 addresses. You can look for the “what is my IPv4 tackle” question to https://rafaeloahqw.laowaiblog.com/25853596/whats-my-ipv4-can-be-fun-for-anyone