code: @Pure
  	public boolean isNull() {
  		for (int i = 0; i < this.bytes.length; ++i) {
  			if (this.bytes[i] != 0) {
  				return false;
  			}
  		}
  		return true;
  	}
docs: Replies if all the MAC address number are equal to zero.
  
  @return <code>true</code> if all the bytes are zero.
  @see #NULL