Twin directories of 5.2.1-RELEASE:

[DIR]  ftp://ftp.afps.chel.su/pub/FreeBSD/5.2.1-RELEASE/
[DIR]  ftp://ftp.highway1.com.au/pub/FreeBSD/i368/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/ia64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/pc98/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/alpha/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/alpha/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/ia64/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/pc98/5.2.1-RELEASE/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/releases/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/ia64/5.2.1-RELEASE/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/pc98/5.2.1-RELEASE/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/alpha/5.2.1-RELEASE/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.thu.edu.tw/FreeBSD/releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.sol.net/.0/releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.smr.ru/pub/0/FreeBSD/releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD-Archive/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD-Archive/ia64/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD-Archive/pc98/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD-Archive/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD-Archive/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.2/FreeBSD-Archive/amd64/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.2/FreeBSD-Archive/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.mtu.ru/.2/FreeBSD-Archive/sparc64/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/ia64/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/pc98/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/sparc64/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.tw.freebsd.org/pub/releases/alpha/5.2.1-RELEASE/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD-PC98/dists/5.2.1-RELEASE/
[DIR]  ftp://ftp5.jp.freebsd.org/pub/FreeBSD-PC98/dists/5.2.1-RELEASE/
[DIR]  ftp://unix2.asu.tusur.ru/pub/FreeBSD/releases/5.2.1-RELEASE/
[DIR]  ftp://ftp.ics.es.osaka-u.ac.jp/mirrors/FreeBSD-PC98/dists/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/i386/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/ia64/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/pc98/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/sparc64/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/alpha/5.2.1-RELEASE/
[DIR]  ftp://194.67.80.52/.3/FreeBSD-Archive/old-releases/amd64/5.2.1-RELEASE/
[DIR]  ftp://ftp.uni-potsdam.de/pub/systems/FreeBSD/i386/5.2.1-RELEASE/
[DIR]  ftp://ftp.aist-nara.ac.jp/0/FreeBSD-PC98/dists/5.2.1-RELEASE/
[DIR]  ftp://ftp.aist-nara.ac.jp/0/FreeBSD-jp/dists/5.2.1-RELEASE/
[DIR]  ftp://213.24.208.27/.3/FreeBSD-Archive/old-releases/i386/5.2.1-RELEASE/