Usar o APKPure APP
Obter o APK da versão antiga de What is my IP para Android
Obtenha o seu endereço de IP externo com uma interface agradável
"What is my IP" is an Android application that intends to shown you your internal & external IP. It uses ipify.org to get external IP address.
Source is available on github https://github.com/yoavst/whatIsMyIP