ftp.ntua.gr:/debian/dists/stretch/non-free/debian-installer/binary-ppc64el/by-hash/SHA256/?C=S&O=D 
Icon  Name                                                                    Last modified      Size  
[DIR] Parent Directory                                                                             -   
[   ] d7423d8a68efba79853027c0e6d3259da1468091b2a23dfbce0859bbe3e4926c        14-Aug-2021 10:42  128   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275        18-Jun-2017 11:11   32   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec        19-Jun-2017 23:59   20
Apache/2.2 Server at debian.noc.ntua.gr Port 80