The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/ubuntu-ports/dists/xenial-updates/main/installer-powerpc/20101020ubuntu451.29/images/powerpc64/
Index of /pub/ubuntu-ports/dists/xenial-updates/main/installer-powerpc/20101020ubuntu451.29/images/powerpc64/