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IP Address
An IP address is a unique identifying number that your computer uses during its time on the internet. Traffic coming from you or going to you is routed based on your IP address, which identifies the unique machine you are on and its place in the internet. For instance, 38.197.168.7 is the IP address of host www.bartnet.net. All packets on the internet destined for www.bartnet.net are sent to this IP address by the Domain Name Service. All traffic coming from this host is identified as such because the packets contain the originating IP address in the packet headers. All routing and traffic on the internet ultimately depends on IP addresses.
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