static void printMyIPs() { String ip; try { Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface iface = interfaces.nextElement(); // filters out 127.0.0.1 and inactive interfaces if (iface.isLoopback() || !iface.isUp()) continue; Enumeration addresses = iface.getInetAddresses(); while(addresses.hasMoreElements()) { InetAddress addr = addresses.nextElement(); ip = addr.getHostAddress(); if (ip.startsWith("127.")) continue; boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe"); System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)")); } } } catch (Throwable e) { e.printStackTrace(); } }