Run a curl command to the IPv4.feral.io website, use awk to print the fifth column, use grep to find all numbers separated by periods, sort the results, and display the first result.
curl https://IPv4.feral.io/ | awk '{print $5}' | grep -o '[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+' | sort | head -n 1