It’s an unlikely scenario, but if someone had your IP address it is possible that they could hack you, so be wary about telling it to anyone. You might need to know your IP address when setting up certain types of software, Why would anyone need to know your IP address If someone refers to your IP address they probably mean the external one, but we’ll show how to find out both in this article. This will always be in IPv4 form (four numbers separated by dots) and will nearly always be .X, with the Xs varying from device to device. A group of offline computers linked on a private network would use internal IP addresses to talk to each other, and your Wi-Fi router will use internal IP addresses to speak to the various devices that connect to it. Internal (or private, or local). This address is not disclosed to the internet – it’s only used within your home network, and applies to a single device.

This can appear in either IPv4 (four numbers separated by dots, for a total of around 8-12 digits) or IPv6 (eight numbers separated by digits, for around 30 digits) form. This is how the internet at large locates and contacts you it is assigned to you by your ISP when you first go online, and can apply to a device or to an entire network that connects to the internet via a single point.

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