The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/debian/dists/buster/main/installer-amd64/20190702+deb10u13/images/netboot/debian-installer/
Index of /pub/debian/dists/buster/main/installer-amd64/20190702+deb10u13/images/netboot/debian-installer/