http://ftp.riken.jp/Linux/fedora/core/6/$ARCH/os
http://ftp.kddilabs.jp/Linux/packages/fedora/core/6/$ARCH/os
http://ftp.sfc.wide.ad.jp/pub/Linux/Fedora/6/$ARCH/os
http://ftp.nara.wide.ad.jp/pub/Linux/fedora/core/6/$ARCH/os
http://ftp.jaist.ac.jp/pub/Linux/Fedora/core/6/$ARCH/os
http://ftp.dti.ad.jp/pub/Linux/Fedora/core/6/$ARCH/os
http://coblitz.planet-lab.org/pub/fedora/linux/core/6/$ARCH/os
http://ftp.iij.ad.jp/pub/linux/fedora/core/6/$ARCH/os