查看所有 IP at MAC $ arp -a ? (10.125.49.187) at 18:81:e:eb:ef:c0 on en0 ifscope [ethernet] ? (10.125.50.149) at 4:cf:8c:26:f3:8e on en0 ifscope [ethernet] ? (10.125.51.44) at 10:77:17:57:b2:c3 on en0 ifscope [ethernet] 由 IP 找到主机名 由 NetBIOS 解析 Windows 下用…