}

    String validTeredoAddress = "2001:0000:4136:e378:8000:63bf:3fff:fdd2";
    String serverStr = "65.54.227.120";
    String clientStr = "192.0.2.45";
    int port = 40000;
    int flags = 0x8000;

    InetAddress ip = InetAddresses.forString(validTeredoAddress);
    assertTrue(InetAddresses.isTeredoAddress((Inet6Address) ip));
    InetAddresses.TeredoInfo teredo = InetAddresses.getTeredoInfo((Inet6Address) ip);