如何找到一个IP地址是LAN IP或WAN IP? [英] How to find that an IP address is a LAN IP or WAN IP?

问题描述

如何找到IP地址是LAN IP地址还是WAN IP地址?我正在Windows中编写C API.谢谢

How can I find that an IP address is a LAN IP address or WAN IP address? I am writing a C API in Windows.Thanks

推荐答案

私有IP地址通常是从私有IP地址空间设置的:

Private IP addresses are usually set from the private IP address spaces:

• 10.0.0.0/8
• 172.16.0.0/12
• 192.168.0.0/16

• 10.0.0.0/8
• 172.16.0.0/12
• 192.168.0.0/16

如果接口的IP地址属于这些空格之一，则可以假定它是私有IP .否则，它是公共(WAN)IP .

If the interface's IP addresses falls into one of these spaces, you can assume it is a private IP. Otherwise, it is a public (WAN) IP.

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