https://gapp.yipee.cc/1533/%e3%80%90android-app%e3%80%91pingtools-network-utilities-%e5%8d%80%e5%9f%9f%e7%b6%b2%e8%b7%af%e6%8e%83%e7%9e%84%e5%b7%a5%e5%85%b7
【Android APP】PingTools Network Utilities 區域網路掃瞄工具