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, you can navigate to Google and search "What is my IP Address?" Google will provide your public address in the search results or https://www.whatismyip.com/ is a useful tool.