Twin directories of U:

[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/U/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/U/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/U/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/TERM/U/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/U/
[DIR]  ftp://62.128.1.71/pub/CPAN/authors/id/U/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/authors/id/U/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/authors/id/U/
[DIR]  ftp://ftp.port80.se/pub/CPAN/authors/id/U/
[DIR]  ftp://cdsarc.u-strasbg.fr/1/cats.old/aliases/U/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/cats/aliases/U/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/CPAN/authors/id/U/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/CPAN/authors/id/U/
[DIR]  ftp://ftp.amigascne.org/pub/amiga/Groups/U/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/6.2/cpan/CPAN-archive/authors/id/U/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/4.2/en/os/sparc/RedHat/instimage/usr/lib/terminfo/U/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/CPAN/authors/id/U/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/authors/id/U/
[DIR]  ftp://ftp.mgts.by/pub/CPAN/authors/id/U/
[DIR]  ftp://ftp.pf.jcu.cz/mnt/fis/fis-usr/lib/terminfo/U/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/unix/perl/authors/id/U/
[DIR]  ftp://gnjilux.cc.fer.hr/pub/spectrum/docs/game-database/U/
[DIR]  ftp://gnjilux.cc.fer.hr/pub/c64/the_sharks/U/
[DIR]  ftp://ftp.ut.ee/pub/languages/perl/CPAN/authors/id/U/
[DIR]  ftp://24.215.0.24/CPAN/authors/id/U/
[DIR]  ftp://ftp.uar.net/pub/music/Music sorted/U/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.cpan.org/CPAN/authors/id/U/
[DIR]  ftp://sapi.vlsm.org/CPAN/authors/id/U/
[DIR]  ftp://ftp.databeast.com/pub/msanaker/.terminfo/U/
[DIR]  ftp://ftp.cbn.net.id/mirror/CPAN/authors/id/U/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.inria.fr/INRIA/Projects/Meta2/Scilab/gnucpan/CPAN/authors/id/U/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/6.2/cpan/CPAN-archive/authors/id/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Y/A/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Y/O/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Y/Q/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Y/U/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Y/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/A/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/B/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/D/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/E/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/H/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/I/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/L/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/O/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/R/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/S/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/Z/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/U/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/wikipediapl/pliki/WIKI/TRESCI/W/_/U/