Twin directories of abook:

[DIR]  ftp://ftp.udc.es/mirror/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/app-misc/abook/
[DIR]  ftp://ftp.lug.udel.edu/pub/gentoo/portage/app-misc/abook/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/packages/current-src/pkgsrc/databases/abook/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.lug.udel.edu/pub/macports/dpupdate1/ports/mail/abook/
[DIR]  ftp://ftp.lug.udel.edu/pub/macports/release/ports/mail/abook/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-misc/abook/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.ing.umu.se/linux/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.au.netbsd.org/pub/NetBSD/NetBSD-current/pkgsrc/databases/abook/
[DIR]  ftp://ftp.linuxforum.hu/mirrors/frugalware/pub/other/people/crazy/generic/source/network-extra/abook/
[DIR]  ftp://ftp.uni-kl.de/pub/linux/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.li.kernel.org/pub/.6/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.funet.fi/.m/mirrors5/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/databases/abook/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.cs.rose-hulman.edu/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-x86-portage/app-misc/abook/
[DIR]  ftp://ftp.linux.hr/gentoo/portage/app-misc/abook/
[DIR]  ftp://ftp.uevora.pt/mirrors/gentoo.org/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.cs.univ-paris8.fr/mirrors/rsync.gentoo.org/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror2/rsync1.us.gentoo.org/portage/app-misc/abook/
[DIR]  ftp://ftp.monash.edu/pub/linux/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian/pool/main/a/abook/
[DIR]  ftp://gentoo.inode.at/portage/app-misc/abook/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/ftp1.debian.or.jp/debian/pool/pool/main/a/abook/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.sunet.se/pub/lang/cygwin/release-2/abook/
[DIR]  ftp://mir1.ovh.net/lv0/gentoo-portage/app-misc/abook/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.sunet.se/pub/lang/cygwin/release/abook/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/databases/abook/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/app-misc/abook/
[DIR]  ftp://77.88.19.68/gentoo-portage/app-misc/abook/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/ftp.ibiblio.org/pub/linux/distributions/gentoo/gentoo-x86-portage/app-misc/abook/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/rsync.gentoo.org/app-misc/abook/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/databases/abook/
[DIR]  ftp://130.75.2.22/pub/mirror/linux/debian-mirror/debian/pool/main/a/abook/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-misc/abook/
[DIR]  ftp://ftp.ankara.edu.tr/ubuntu/pool/universe/a/abook/
[DIR]  ftp://ftp.radio-msu.net/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/mail/abook/
[DIR]  ftp://ftp.rmt.ru/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/mail/abook/
[DIR]  ftp://ftp.linuxforum.hu/mirrors/frugalware/pub/other/people/vmiklos/db47/source/network-extra/abook/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/universe/a/abook/
[DIR]  ftp://ftp.duth.gr/pub/ubuntu/pool/universe/a/abook/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/universe/a/abook/
[DIR]  ftp://ftp.gnome.org/mirror/ubuntu/pool/universe/a/abook/
[DIR]  ftp://ftp.cica.es/mirrors/Linux/ubuntu/ubuntu/pool/universe/a/abook/