所设计和实现的工具要求达到以下功能：

1、能自动获取本机所在局域网的ip地址段；

2、能自动扫描本地局域网所有主机的ip地址和主机名；

3、提供本地局域网中指定ip地址段的搜索，列出ip地址和主机名。

-Design and implement tool which requirements following function:

Can the automatic acquisition machine, where the IP address of the LAN segment,

2, can automatically scan local area network for all the host s IP address and domain name,

3 and provide local LAN IP address specified in the search list for IP address and domain name.