Twin directories of gentoo.org:

[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/gentoo.org/
[DIR]  ftp://ftp.rdsor.ro/pub/Linux/Distributions/gentoo.org/
[DIR]  ftp://ftp.ro.debian.org/pub/mirrors/gentoo.org/
[DIR]  ftp://ftp.task.gda.pl/vol/d0s0-old/gentoo.org/
[DIR]  ftp://ftp.task.gda.pl/vol/zfs/gentoo.org/
[DIR]  ftp://ftp.task.gda.pl/vol/zfs2/gentoo.org/
[DIR]  ftp://ftp.pub.ro/pub/pub/mirrors/gentoo.org/
[DIR]  ftp://ftp.pub.ro/pub/mirrors/gentoo.org/