Twin directories of xz-utils:

[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-arch/xz-utils/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.nz.debian.org/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/ftp.debian.org/debian/pool/main/x/xz-utils/
[DIR]  ftp://130.251.19.2/ubuntu/pool/main/x/xz-utils/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.port80.se/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.univ-savoie.fr/pub1/ftp.fr.debian.org/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.free.fr/.mirrors6/ftp.ubuntu.com/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.ankara.edu.tr/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.sac.sk/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/ubuntu/pool/main/x/xz-utils/
[DIR]  ftp://ftp.botik.ru/pub/linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.psn.ru/pub/Linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://147.52.159.12/mirrors/linux/ubuntu/packages/pool/universe/x/xz-utils/
[DIR]  ftp://147.52.159.12/mirrors/linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.wsisiz.edu.pl/pub/Linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.uga.edu/pub/unix/linux/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.uga.edu/pub/unix/linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp2.sk.freebsd.org/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp2.sk.freebsd.org/ubuntu/pool/main/x/xz-utils/
[DIR]  ftp://ftp2.sk.freebsd.org/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/app-arch/xz-utils/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/main/x/xz-utils/
[DIR]  ftp://ftp.udc.es/mirror/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://mirrors.hpcf.upr.edu/pub/Mirrors/ubuntu/archive/pool/main/x/xz-utils/
[DIR]  ftp://ftp.sara.nl/pub/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.lyx.org/pub/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.li.kernel.org/pub/.5/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.uni-kl.de/pub/linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.uni-kl.de/pub/linux/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://ftp.cvut.cz/mirrors/ubuntu.com/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.usc.es/pub/mirror/linux/debian/pool/main/x/xz-utils/
[DIR]  ftp://ftp.linux.hr/gentoo/portage/app-arch/xz-utils/
[DIR]  ftp://ftp.ens-cachan.fr/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.iitm.ac.in/linux/ubuntu/pool/universe/x/xz-utils/
[DIR]  ftp://ftp.iitm.ac.in/linux/ubuntu/pool/main/x/xz-utils/
[DIR]  ftp://ftp.uevora.pt/mirrors/gentoo.org/gentoo-portage/app-arch/xz-utils/
[DIR]  ftp://204.152.191.39/ubuntu/pool/universe/x/xz-utils/