Twin directories of urt:

[DIR]  ftp://ftp.uni-leipzig.de/pub/grafik/urt/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/graphics/urt/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/media-libs/urt/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/media-libs/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/graphics/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/graphics/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/graphics/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/graphics/urt/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/graphics/urt/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/graphics/urt/
[DIR]  ftp://ftp.analog.com/pub/MicroConverter/CDv8.0/v8.0 unziped/C-Lib/841/urt/
[DIR]  ftp://ftp.analog.com/pub/MicroConverter/CDv8.0/v8.0 unziped/C-Lib/842/urt/
[DIR]  ftp://ftp.ncsa.uiuc.edu/misc/file.formats/graphics.formats/urt/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.lf.net/pub/graphics/urt/
[DIR]  ftp://sapi.vlsm.org/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/irix/freeware.sgi.com/source/urt/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/packages/current-src/pkgsrc/graphics/urt/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/i386/1.0-RELEASE/ports/urt/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/ports/graphics/urt/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/CVSROOT-ports/graphics/urt/
[DIR]  ftp://ftp.linuxforum.hu/mirrors/frugalware/pub/other/sources/netpbm/netpbm/urt/
[DIR]  ftp://ftp.zib.de/pub/visual/image_tools/mirror/urt/
[DIR]  ftp://ftp.ankara.edu.tr/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.euro.net/pub/mirrors/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://64.50.238.52/.1/gentoo-portage/disk/media-libs/urt/
[DIR]  ftp://64.50.236.52/.1/gentoo-portage/disk/media-libs/urt/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.demon.nl/disk2/freebsd/development/FreeBSD-CVS/ports/graphics/urt/
[DIR]  ftp://ftp.nstu.ru/pub/sources/graphics/libraries/urt/
[DIR]  ftp://77.88.19.68/gentoo-portage/media-libs/urt/
[DIR]  ftp://ftp.uniovi.es/pub/graphics/Image/Formats/urt/
[DIR]  ftp://ftp.pld-linux.org/pool/u/urt/
[DIR]  ftp://ftp.kernel.pl/pool/u/urt/