What Are IP Addresses in Home Networking? - dummies

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I think it is using Anycast IP addressing for the DNS servers. So depending on which part of the world you are, a different DNS server (although with the same IP address) will answer your query. And that server will know which IP address is the best for your location.

Nov 18, 2018

A device’s IP address actually consists of two separate parts: Network ID: The network ID is a part of the IP address starting from the left that identifies the specific network on which the device is located. On a typical home network, where a device has the IP address, the 192.168.1 part of the address will be the network ID.

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