The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/linux/debian/dists/bookworm-backports/non-free-firmware/debian-installer/binary-ppc64el/
Index of /pub/linux/debian/dists/bookworm-backports/non-free-firmware/debian-installer/binary-ppc64el/