网络专家已经发出警告，如果没有更多的公司使用新平台的话，那么两年后我们将用完所有的互联网地址。

Web experts have warned that we could run out of Internet addresses within the next two years unless more companies migrate to the new platform.

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专家称，目前使用的网络协议IPv 4管理的约40亿个互联网地址，已经达到它的上限。

The currently used Internet Protocol version 4 (IPv4) manages about four billion addresses and has reached its limit, experts said.

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网络路由专家，早在80年代在世界上大多数人还没知道互联网之前，在互联网变得无处不在之前就意识到IPv4的局限性。

Network routing experts have been aware of the limitations of IPv4 addressing since the 1980s — before most of the world even knew the Internet existed, and before the Web became ubiquitous.

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