Twin directories of IPv6:

[DIR]  ftp://ftp.udc.es/mirror/freebsd/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.udc.es/mirror/freebsd/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.smr.ru/pub/0/FreeBSD/releases/i386/branches/4.0-stable/src/share/doc/IPv6/
[DIR]  ftp://ftp.smr.ru/pub/0/FreeBSD/releases/i386/branches/4.0-stable/src/share/examples/IPv6/
[DIR]  ftp://ftp.smr.ru/pub/0/FreeBSD/releases/i386/branches/-current/src/share/doc/IPv6/
[DIR]  ftp://ftp.smr.ru/pub/0/FreeBSD/releases/i386/branches/-current/src/share/examples/IPv6/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.kr.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/4.0-stable/src/share/doc/IPv6/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/4.0-stable/src/share/examples/IPv6/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/share/examples/IPv6/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/share/doc/IPv6/
[DIR]  ftp://ftp.filearena.net/mnt1/freebsd-cvs/src/share/examples/IPv6/
[DIR]  ftp://ftp.filearena.net/mnt1/freebsd-cvs/src/share/doc/IPv6/
[DIR]  ftp://ftp.tw.freebsd.org/pub/branches/7.0-stable/src/share/doc/IPv6/
[DIR]  ftp://ftp.tw.freebsd.org/pub/branches/7.0-stable/src/share/examples/IPv6/
[DIR]  ftp://ftp.man.szczecin.pl/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.man.szczecin.pl/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.itb.ac.id/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.itb.ac.id/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.at.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.at.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.de.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.de.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/freebsd/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.nrc.ca/pub/systems/bsd/freebsd/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.int.ru/.1/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp2.sk.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.za.freebsd.org/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.za.freebsd.org/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://ftp.esat.net/mirrors/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/IPv6/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/examples/IPv6/