是一个扫描器的程序，可以指定特定的ip段和特定的端口地址，扫描其状态，并显示扫描所需的时间，该程序所需时间很少，资源也占用很少,scanner is a process, you can specify a specific and specific ip of the port address, scanning their state, scans showed that the time required for the procedure required little time, an