Twin directories of backport-util-concurrent:

[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/ftp1.debian.or.jp/debian/pool/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/dev-java/backport-util-concurrent/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.cn.kernel.org/ubuntu/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://130.75.2.22/pub/mirror/linux/debian-mirror/debian/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.boulder.ibm.com/software/websphere/wasce/repository/backport-util-concurrent/
[DIR]  ftp://ftp.software.ibm.com/software/websphere/wasce/repository/backport-util-concurrent/
[DIR]  ftp://ftp.boulder.ibm.com/software/websphere/wasce/repository/backport-util-concurrent/backport-util-concurrent/
[DIR]  ftp://ftp.software.ibm.com/software/websphere/wasce/repository/backport-util-concurrent/backport-util-concurrent/
[DIR]  ftp://ftp.ankara.edu.tr/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.int-evry.fr/mirror1/ubuntu.com/ubuntu-cd/.debian-mirror/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/debian/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.sr.bham.ac.uk/mirror/debian/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.cosy.sbg.ac.at/debian/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.ankara.edu.tr/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.nectec.or.th/.b/5/archive.ubuntu.com/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.nectec.or.th/.b/5/archive.ubuntu.com/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.duth.gr/pub/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.duth.gr/pub/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.gnome.org/mirror/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.gnome.org/mirror/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.uni-siegen.de/pub/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.uni-siegen.de/pub/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.cica.es/mirrors/Linux/ubuntu/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.cica.es/mirrors/Linux/ubuntu/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.su.se/pub/mirrors/archive.ubuntu.com/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.su.se/pub/mirrors/archive.ubuntu.com/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://64.50.236.52/.1/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://64.50.238.52/.1/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://64.50.236.52/.1/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://64.50.238.52/.1/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://sapi.vlsm.org/.3/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://sapi.vlsm.org/.3/ubuntu/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.mtu.ru/.4/ubuntu/archive/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.mtu.ru/.4/ubuntu/archive/pool/universe/b/backport-util-concurrent/
[DIR]  ftp://ftp.tu-chemnitz.de/.SAN0/pub/linux/ubuntu/pool/main/b/backport-util-concurrent/
[DIR]  ftp://ftp.tu-chemnitz.de/.SAN0/pub/linux/ubuntu/pool/universe/b/backport-util-concurrent/