To find an Odoo instance's public IP address, you can use several methods depending on your hosting setup. If your Odoo instance is hosted on a cloud platform like AWS, Azure, or Google Cloud, you can usually find the public IP address by navigating to the instance details or the network settings in the respective management console. For self-hosted Odoo servers, you can check the public IP address by logging into your server and using a command like curl ifconfig.me or curl ipinfo.io/ip in the terminal, which will return the public IP. Alternatively, if your Odoo instance is behind a firewall or load balancer, you'll need to access the configuration settings of these components to identify the public IP address that routes traffic to your Odoo server.