http://ubuntu.uni-klu.ac.at/ubuntu/
https://mirror.alwyzon.net/ubuntu/
https://mirror.kumi.systems/ubuntu/
http://ubuntu.anexia.at/ubuntu/
http://ubuntu.lagis.at/ubuntu/
https://mirror.kumi.systems/ubuntu-ports/
http://mirror.easyname.at/ubuntu-archive/
http://archive.ubuntu.com/ubuntu/