The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/debian/dists/oldstable-proposed-updates/main/installer-i386/20210731+deb11u6/images/netboot/debian-installer/i386/grub/
Index of /pub/debian/dists/oldstable-proposed-updates/main/installer-i386/20210731+deb11u6/images/netboot/debian-installer/i386/grub/