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因特网已经成为人们日常生活中不可缺少的部分,网络上每台计算机都要有自己的IP地址,否则不能上网。那么IP地址是由谁指定,一个给定的IP地址我可以得到哪些信息呢?
The Internet has become an indispensable part of people’s daily life. Each computer in the network must have its own IP address, otherwise it can not access the Internet. So who does the IP address specify, what information can I get for a given IP address?