Here you can find the source of isThisMyIpAddress(InetAddress addr)
static boolean isThisMyIpAddress(InetAddress addr)
//package com.java2s; /******************************************************************************* * Copyright (C) 2012 Raphfrk//ww w . java2s . c o m * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************/ import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; public class Main { static boolean isThisMyIpAddress(InetAddress addr) { // Check if the address is a valid special local or loop back if (addr.isAnyLocalAddress() || addr.isLoopbackAddress()) return true; // Check if the address is defined on any interface try { return NetworkInterface.getByInetAddress(addr) != null; } catch (SocketException e) { return false; } } }