The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/debian/dists/unstable/main/installer-amd64/20230607/images/netboot/debian-installer/amd64/grub/
Index of /pub/debian/dists/unstable/main/installer-amd64/20230607/images/netboot/debian-installer/amd64/grub/