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An IPv4 address is a 32bit number. The common way to print an IPv4 address is to split it into 4 8bit blocks and separate them with a dot. However an IPv4 address is also valid in it's decimal/integer representation. This decimal representation is used for your DNS IP address: 80980492081. Converting the number in the common IPv4 address format ends up ...


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Let's say rmnet_data1 is your Mobile Data interface (on Qualcomm devices) and wlan0 is WiFi interface. When you switch on Mobile Data, your ISP assigns rmnet_data1 an IP address, possibly dynamic and not necessarily a public IP (see details in this answer), but let's assume it is a static public IP - say 1.2.3.10. When you switch on tethering, wlan0 is ...


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On 4G network you don't get a public IP (mostly) from your MNO. So your phone won't be accessible from internet. Related: How to connect to Android through SSH over 3G/4G public IP?. However if your device is accessible from internet, you don't need to do port forwarding. It's required only when you are behind NAT (router), but you are directly connected to ...


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The simplest way to define a host to IP mapping is hosts file as mostly DNS resolvers honor that file. But as mentioned in other answers, it's not possible to edit /etc/hosts without rooting Android device. Accessing web server with IP address also won't work for you due to virtual hosting. Here are a few options you can go with on unrooted device: Use a ...


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