Twin directories of nethack:

[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/ports/japanese/nethack/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/ports/games/nethack/
[DIR]  ftp://ftp.au.netbsd.org/pub/NetBSD/NetBSD-current/pkgsrc/games/nethack/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/games-roguelike/nethack/
[DIR]  ftp://ftp.lug.udel.edu/pub/macports/dpupdate1/ports/games/nethack/
[DIR]  ftp://ftp.lug.udel.edu/pub/macports/release/ports/games/nethack/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://aeneas.mit.edu/pub/gnu/non-gnu/nethack/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/ftp1.debian.or.jp/debian/pool/pool/main/n/nethack/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/pool/updates/main/n/nethack/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/news/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/rec/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/rec/games/roguelike/nethack/
[DIR]  ftp://ftp.funet.fi/.m/mirrors5/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/misc/grant/pkgstat/20040121/games/nethack/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/misc/grant/pkgstat/20040131/games/nethack/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/misc/grant/pkgstat/20040711.1811/games/nethack/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/misc/grant/pkgstat/20040716.0710/games/nethack/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/packages/current-src/pkgsrc/games/nethack/
[DIR]  ftp://ftp.jp.netbsd.org/pub/pkgsrc/current/pkgsrc/games/nethack/
[DIR]  ftp://ftp.eq.uc.pt/pub/usenet/faq/usenet-by-hierarchy/news/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.eq.uc.pt/pub/usenet/faq/usenet-by-hierarchy/rec/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.eq.uc.pt/pub/usenet/faq/usenet-by-hierarchy/rec/games/roguelike/nethack/
[DIR]  ftp://ftp.eq.uc.pt/pub/usenet/faq/usenet-by-group/news.answers/games/roguelike/nethack/
[DIR]  ftp://ftp.eq.uc.pt/pub/usenet/faq/usenet-by-group/rec.answers/games/roguelike/nethack/
[DIR]  ftp://ftp.padua.org/pub/doc/news.answers/games/roguelike/nethack/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/pkgsrc/games/nethack/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/games/nethack/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/news/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/rec/answers/games/roguelike/nethack/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/rec/games/roguelike/nethack/
[DIR]  ftp://ftp.jp.netbsd.org/pub/NetBSD-cvs/main/pkgsrc/games/nethack/
[DIR]  ftp://ftp.jp.netbsd.org/pub/pkgsrc/pkgsrc-2008Q1/pkgsrc/games/nethack/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/pkgsrc-2008Q1/pkgsrc/games/nethack/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian-security/pool/updates/main/n/nethack/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian/pool/main/n/nethack/
[DIR]  ftp://ftp.zcu.cz/pub/gnu/non-gnu/nethack/
[DIR]  ftp://ftp.stu.edu.tw/Linux/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.funet.fi/.m/mirrors3/archive.ubuntu.com/pool/universe/n/nethack/
[DIR]  ftp://ftp.duth.gr/pub/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.gnome.org/mirror/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.cica.es/mirrors/Linux/ubuntu/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.su.se/pub/mirrors/archive.ubuntu.com/ubuntu/pool/universe/n/nethack/
[DIR]  ftp://ftp.uni-siegen.de/pub/ubuntu/pool/universe/n/nethack/