code to ping url or IP from android
 
public static class Ping {
    public String net = "NO_CONNECTION";
    public String host;
    public String ip;
    public int dns = Integer.MAX_VALUE;
    public int cnt = Integer.MAX_VALUE;
}

public static Ping ping(URL url, Context ctx) {
    Ping r = new Ping();
    if (isNetworkConnected(ctx)) {
        r.net = getNetworkType(ctx);
        try {
            String hostAddress;
            long start = System.currentTimeMillis();
            hostAddress = InetAddress.getByName(url.getHost()).getHostAddress();
            long dnsResolved = System.currentTimeMillis();
            Socket socket = new Socket(hostAddress, url.getPort());
            socket.close();
            long probeFinish = System.currentTimeMillis();
            r.dns = (int) (dnsResolved - start);
            r.cnt = (int) (probeFinish - dnsResolved);
            r.host = url.getHost();
            r.ip = hostAddress;
        }
        catch (Exception ex) {
            Timber.e("Unable to ping");
        }
    }
    return r;
}

public static boolean isNetworkConnected(Context context) {
    ConnectivityManager cm =
            (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    return activeNetwork != null && activeNetwork.isConnectedOrConnecting();
}

@Nullable
public static String getNetworkType(Context context) {
    ConnectivityManager cm =
            (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    if (activeNetwork != null) {
        return activeNetwork.getTypeName();
    }
    return null;
}
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