Doug Szajda says that seemed like more than enough "At the time that IP version 4 was designed, the designers were anticipating perhaps thousands of users of the Internet someday, and certainly thinking that four billion addresses was many more than we would ever need."

VOA: special.2011.06.13

So there we have, I'll create a GUI interface using Visual Basic, see if I can track an IP address.

好了，我用VB创建一个,图形用户界面，看是否可以跟踪IP地址。

哈佛公开课 - 计算机科学课程节选

I'll create a GUI interface using Visual Basic, see if I can track an IP address.

我用VB创建一个图形用户界面，试试能不能跟踪IP地址。

哈佛公开课 - 计算机科学课程节选

But,as local industries have matured and become more innovative, they too are benefiting from better domestic IP protections.

VOA: standard.2009.04.23

And finally, see if I can track an IP address.

最后，我们看下是否可以跟踪IP地址。

哈佛公开课 - 计算机科学课程节选

Opposition activists complain that internet speeds were brought to dismally slow levels and that they were forced to use proxies to prevent their IP addresses from being detected.

VOA: standard.2009.11.14