扫描指定IP的网络端口号是否开启，给出反馈信息-Scan IP network port number specified whether to open, give feedback

一个网络工具箱，可以实现包括主机察看、网络测速、Ping、段口扫描、路由跟踪等功能。.zip -A network toolbox can be achieved, including the host to see, network speed, Ping, section of the scan, routing tracking and other functions. .zip