Here you can find the source of getPrivateInetInetAddress()
public static final List<InetAddress> getPrivateInetInetAddress() throws SocketException
//package com.java2s; /*/*w ww. j av a 2s .c o m*/ * Copyright (C) 2014~2016 dinstone<dinstone@163.com> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.Inet4Address; import java.net.InetAddress; import java.net.InterfaceAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; import java.util.LinkedList; import java.util.List; public class Main { public static final List<InetAddress> getPrivateInetInetAddress() throws SocketException { List<InetAddress> inetAddresses = new LinkedList<InetAddress>(); for (Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces(); e.hasMoreElements();) { NetworkInterface netInterface = e.nextElement(); if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) { continue; } for (InterfaceAddress address : netInterface.getInterfaceAddresses()) { InetAddress inetAddress = address.getAddress(); if (inetAddress.isSiteLocalAddress() && !inetAddress.isLoopbackAddress() && (inetAddress instanceof Inet4Address)) { inetAddresses.add(inetAddress); } } } return inetAddresses; } }