Twin directories of regress:

[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-emacs/regress/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-emacs/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/sort/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/crypto/openssh/openbsd-compat/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/crypto/openssh/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/test/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/contrib/libpam/libpamc/test/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/snj/pkgstat/20050112.1442/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/regress/usr.bin/config/support/arch/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-release-4-0/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/regress/usr.bin/config/support/arch/regress/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/NetBSD-current/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/app-emacs/regress/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/app-emacs/regress/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/ipfilter/test/regress/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/libpam/libpamc/test/regress/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/contrib/sort/regress/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/crypto/openssh/openbsd-compat/regress/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/crypto/openssh/regress/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/app-emacs/regress/
[DIR]  ftp://ftp.andr.ru/pub/os/qnx/6/svn/repos/coreos_pub/trunk/utils/t/traceprinter/regress/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/app-emacs/regress/
[DIR]  ftp://sapi.vlsm.org/gentoo-portage/app-emacs/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/regress/usr.bin/config/support/arch/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-4-0/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-0/src/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-0/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-0/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-current/src/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-current/src/regress/sys/kern/ipf/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-current/src/regress/usr.bin/config/support/arch/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-current/src/dist/ipf/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/sort/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/crypto/openssh/openbsd-compat/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/crypto/openssh/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/libpam/libpamc/test/regress/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-5_BETA/src/regress/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.openbsd.org/src/sbin/isakmpd/regress/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.openbsd.org/src/regress/