An IP address serves two principal functions: host or network interface identification and location addressing.

IP地址用于两个主要功能：主机或网络接口标识和位置寻址。

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Geographic DNS improves scalability by mapping a domain name to different IP addresses, depending on the client's geographic location.

地理DNS根据用户所处的地理位置，通过把域名映射到多个不同的IP地址提高可扩展性。

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The remote host is the IP address or domain name that identifies the location of the computer network you are using.

远程主机，指的是识别你正在使用的电脑网络位置的IP地址或者域名。

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If IP location details were not protected, the linkage could have been established between Petraeus and Broadwell proving at a minimum the existence of some encrypted correspondence.

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Other tools, such as Maxmind, would help find out the physical location of a particular IP address, he said.

BBC: Email trail helped FBI crack Petraeus case

To join up data points into a context, common identities are required (for example, a web page view can be given a geographical location by joining up the IP address of the page request with that from the IP address in an IP intelligence database).

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