How long can I keep my company on IPv4?
公司使用的IPv 4可以保持多久？
There are still some IPv4 addresses available.
目前还有一些IPv4地址可供使用。
The world has about 4.3 billion IPv4 addresses.
全球有约43亿个IPv4地址。
More than 90% of IPv4 addresses have already been assigned.
超过90%的IPv4地址已经被分配完了。
Unfortunately, the IPv4 address space is running out, and quickly.
然而遗憾的是，IPv4地址空间很快就要耗尽了。
However, there may be services which are only available over IPv4.
不过有些服务可能仅在IPv 4下可用。
Ideally, the browser will simply switch over to the IPv4 protocol and make a connection.
理想情况下，浏览器将仅会切换回IPv 4协议并建立连接。
Ideally, the browser will simply switch over to the IPv4 protocol and make a connection.
理想情况下，浏览器将仅会切换回IPv 4协议并建立连接。
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