http://dl-2.alpinelinux.org/alpine/
http://dl-3.alpinelinux.org/alpine/
http://dl-4.alpinelinux.org/alpine/
http://mirrors.gigenet.com/alpinelinux/
http://distrib-coffee.ipsl.jussieu.fr/pub/linux/alpine/alpine/
http://nl.alpinelinux.org/alpine/