code:

public static void main(String[] args) {
        String serverinfo = getInfo(27950, "192.246.40.60", 27950, "getservers 84");
        System.out.println("output: " + serverinfo);
        String[] split = serverinfo.split("\\\\");
        for (int i = 0; i < split.length; i++) {
            System.out.println(split[i]);
        }
    }

public static String getInfo(int localPort, String ipStr, int port, String request) {

        StringBuffer recStr = new StringBuffer();
        DatagramSocket socket = null;
        try {
            if (localPort == 0) {
                socket = new DatagramSocket();
            } else {
                socket = new DatagramSocket(localPort);
            }
            // default packet size
            int packetSize = 12288;

            InetAddress address = InetAddress.getByName(ipStr);
            InetAddress inet = InetAddress.getByName(ipStr);

            socket.connect(address, port);
            System.out.println("socket.isConnected(): " + socket.isConnected());

            DatagramPacket out = getDatagramPacket(request, inet, port);
            socket.send(out);

            byte[] data = new byte[packetSize];
            DatagramPacket inPacket = new DatagramPacket(data, packetSize);
            socket.setSoTimeout(2000);


            // get the response
            socket.receive(inPacket);
            System.out.println("Raw Packet: " + inPacket.getData());
            recStr = new StringBuffer(new String(inPacket.getData(), 0, inPacket.getLength(), "ISO-8859-1"));

        } catch (Exception ex) {
            recStr = new StringBuffer("");
        } finally {
            if (socket != null) {
                socket.close();
            }
        }

        return recStr.toString();
    }

    public static DatagramPacket getDatagramPacket(String request, InetAddress inet, int port) {
        byte first = -1;
        byte[] buffer = new byte[1400];
        buffer[0] = first;
        buffer[1] = first;
        buffer[2] = first;
        buffer[3] = first;
        byte[] requestBytes;
        try {
            requestBytes = request.getBytes("ISO-8859-1");
        } catch (Exception e) {
            requestBytes = request.getBytes();
        }
        System.arraycopy(requestBytes, 0, buffer, 4, request.length());

        return new DatagramPacket(buffer, request.length() + 4, inet, port);
    }


response:
ÿÿÿÿgetserversResponse\¼(œÆm9\UÈâm8\B-þ›m8\NNm;\N/iDm8\X—dm8\Ã>6iÜ\UٕmN\UÖ$Ñm8\XÆ'”âh\Ô_8Ui–\Õli–\²?)mˆ\q—
3m8\U
Á        m8\TÈÐÎm8\ÂímB\W`é¼m8\U»Vm8\[yeBm8\²?        úm8\SŽR²mW\N9Ïm8\²?        úmN\[fr¸m=\Õl°i \N…ê
m8\Ô_8Sk\UŠm;\XV|u\[ÆÆm8\^ù˜i¥\K}íÚ¬\XSVFî\Wá€@m4\Õl&iª\L
¼,u\Õl¥i‚\UŠm:\^Kî4m8\ZäõŸm8\[y;m8\Õlƒi \Õl¤i–\YÏ°…4\P܂Ü*Z\Á!°m8\RvÐÓm8\Õl¥i‚\=ҖmD\Ô_8Rk:\¼(1‘mB\Ù£m8\TåamB\YÏ°…m8\[yÏ\m=\|f\"m8\N.^Ýi}\ÂAim8\Á~›äÓ¾\UÖwˆ\Yî £m8\Õl%i‚\UŠm9\X¿Q¢m7\PVRêm8\Õl¥i´\^ù˜hi‘\Õl)i¾\R öåmC\Õli–\N.I)m8\XV|u4\>2¥ýV\Õl¯iª\PTúÅm8\>qÇ3Ô\_×ð4iº\O…'Ém8\ÙªFm:\S…ppjV\NNm8\[‘F­m8\­¢1]«ò\ÕlÇi‚\N.IFŒ \^Kîm8\R`@mB\XÆKmE\>KØcm8\Õli‚\Ù¬»zm8\¼("¥m`\Ôlêm8\WvR–m`\Ëaþm8\_Ó‚m8\ÔàLm8\ÕlƒiÜ\Á6áÕm8\U
ÍÒm>\U^mB\UŠm8\Œšnd\XÆEm8\[yMDm8\>äˆ
×E\N/gCm8\O…6Åaä\Õlƒiú\Ù£×m8\Ù¬»mL\EOT