Thanks, I know that it is nearly impossible. I do not want to find adresses with balance. There would be better option like brainwallet brute force. Need an alternative site for a little research project.
What exactly do you mean by alternatives to Directory.io? All that website does is compute a bunch of addresses based on private keys each time you visit one of their pages. The chances that you will come across a page containing the private key to an address that has ever received any bitcoin is essentially zero.
