Twin directories of szip:

[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/science/szip/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/archivers/szip/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/sci-libs/szip/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/sci-libs/szip/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/archivers/szip/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/debian-unofficial/debian/pool/non-free/s/szip/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.mgts.by/pub/debian-unofficial/debian/debian/pool/non-free/s/szip/
[DIR]  ftp://ftp.mgts.by/pub/debian-unofficial/debian/pool/non-free/s/szip/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/sci-libs/szip/
[DIR]  ftp://sapi.vlsm.org/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/packages/current-src/pkgsrc/archivers/szip/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/ports/science/szip/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/CVSROOT-ports/archivers/szip/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/ports/archivers/szip/
[DIR]  ftp://ftp.ankara.edu.tr/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/sci-libs/szip/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.euro.net/pub/mirrors/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.euro.net/pub/mirrors/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.cizgi.com.tr/pub/info/RMA/Package Information/12lsi/6sip/szip/
[DIR]  ftp://64.50.238.52/.1/gentoo-portage/disk/sci-libs/szip/
[DIR]  ftp://64.50.236.52/.1/gentoo-portage/disk/sci-libs/szip/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/ports/science/szip/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/gentoo-portage/sci-libs/szip/
[DIR]  ftp://hdf.ncsa.uiuc.edu/HDF5/examples/misc-examples/szip/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/debian-unofficial/pool/non-free/s/szip/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/archivers/szip/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/science/szip/