This utility monitors your network by sending out a ping to a list of IP's and if an IP goes bad it will send out notifications to members on an email list.
来源: http://www.freevbcode.com/ShowCode.Asp?ID=358
这个工具通过发送一个ping到IP的列队中监控你的网络,如果一个IP坏了,它将给一个邮箱列表的成员发送通知。