code: @Override
    public InetAddress addressRemote()
    {
      SocketChannel s = _channel;
      
      if (s != null) {
        try {
          InetSocketAddress addr = (InetSocketAddress) s.getRemoteAddress();
          
          return addr.getAddress();
        } catch (IOException e) {
          throw new RuntimeException(e);
        }
      }
      else {
        return null;
      }
    }
docs: Returns the remote client's inet address.