An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two principal functions: host or network interface identification and location addressing.
If you are receiving a 403 Forbidden error when accessing ETO, you may need to connect to a VPN.
To access your public IP Address, search "What is my IP Address?" and Google will provide your public address in the search results. The website https://www.whatismyip.com/ is also a useful tool for this.