Twin directories of yp:

[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-3-0/src/share/sushi/network/yp/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-3-0/src/lib/libc/yp/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-4-0/src/lib/libc/yp/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://ftp.ticklers.org/pub/NetBSD/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.ticklers.org/pub/OpenBSD/src/lib/libc/yp/
[DIR]  ftp://ftp.udc.es/mirror/freebsd/development/FreeBSD-CVS/src/lib/libc_r/yp/
[DIR]  ftp://ftp.udc.es/mirror/freebsd/development/FreeBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.mao.kiev.ua/pub/users/yp/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/src/share/sushi/network/yp/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/DragonFlyBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://ftp.lug.udel.edu/pub/netbsd/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.lug.udel.edu/pub/netbsd/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://133.24.255.161/mirror2/FreeBSD/development/FreeBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://133.24.255.161/mirror2/FreeBSD/development/FreeBSD-CVS/src/lib/libc_r/yp/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/OpenBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.jp.netbsd.org/pub/NetBSD-cvs/main/src/lib/libc/yp/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/NetBSD-CVS/src/usr.sbin/yp/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/NetBSD-release-4-0/src/lib/libc/yp/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/NetBSD-release-3-1/src/share/sushi/network/yp/
[DIR]  ftp://192.87.102.42/vol/1/netbsd/NetBSD-release-3-1/src/lib/libc/yp/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/4.0-stable/src/lib/libc/yp/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/3.0-stable/src/lib/libc/yp/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/2.2-stable/src/lib/libc/yp/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/lib/libc/yp/
[DIR]  ftp://ftp.radio-msu.net/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/lib/libc_r/yp/
[DIR]  ftp://ftp.radio-msu.net/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.rmt.ru/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/lib/libc_r/yp/
[DIR]  ftp://ftp.rmt.ru/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/lib/libc/yp/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-release-3-0/src/share/sushi/network/yp/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/netbsd/NetBSD-release-3-0/src/lib/libc/yp/
[DIR]  ftp://ftp.au.netbsd.org/pub/NetBSD/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://ftp.krokus.ru/pub/OpenBSD/src/lib/libc/yp/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/lib/libc/yp/
[DIR]  ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/lib/libc/yp/