Twin directories of bbs:

[DIR]  ftp://ftp.reed.edu/mirrors/faqs/internet/bbs/
[DIR]  ftp://ftp.reed.edu/mirrors/faqs/bbs/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/system/bbs/
[DIR]  ftp://ftp.eutelia.it/pub/Info-Mac_Mirror/comm/bbs/
[DIR]  ftp://debian.lcs.mit.edu/info-mac/comm/bbs/
[DIR]  ftp://ftp.gno.org/pub/apple2/gs.specific/comm/bbs/
[DIR]  ftp://ftp.gno.org/pub/apple2/prodos/comm/bbs/
[DIR]  ftp://ftp.gno.org/pub/apple2/appledos33/comm/bbs/
[DIR]  ftp://ftp.amsat.org/amsat/software/PC/bbs/
[DIR]  ftp://debian.lcs.mit.edu/hyperarchive/comm/bbs/
[DIR]  ftp://ftp.denet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/bbs/
[DIR]  ftp://ftp.sektornet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/bbs/
[DIR]  ftp://ftp.wustl.edu/pub/aminet/comm/bbs/
[DIR]  ftp://ftp.cs.sunysb.edu/pub/skiena/upload/bbs/
[DIR]  ftp://ftp.darenet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/bbs/
[DIR]  ftp://ftp.uni-stuttgart.de/pub/systems/acorn/riscos/comm/bbs/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/os2/apps/comm/bbs/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/info-mac/comm/bbs/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/7.2/en/doc/HOWTOS/translations/it/Ih/bbs/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/info-mac/comm/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/usenet/news.answers/internet/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/usenet/news.answers/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/usenet/alt.answers/internet/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/usenet/alt.answers/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/usenet/comp.answers/internet/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/macppc/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/msdos/bbs/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/mirror/Simtel.Net/mobile/bbs/
[DIR]  ftp://ftp.adobe.com/pub/thirdparty/dos/programs/bbs/
[DIR]  ftp://ftp.adobe.com/pub/thirdparty/unix/programs/bbs/
[DIR]  ftp://ftp.anu.edu.au/mnt/disk3/info-mac/comm/bbs/
[DIR]  ftp://ftp.anu.edu.au/mnt/disk2/pc/simtelnet/msdos/bbs/
[DIR]  ftp://ftp.mao.kiev.ua/pub/software/Linux/system/bbs/
[DIR]  ftp://ftp.wa.apana.org.au/pub/mirrors/micros/bbs/
[DIR]  ftp://ftp.actrix.gen.nz/.vol2/ms-dos/bbs/
[DIR]  ftp://ftp.actrix.gen.nz/.vol3/os2/bbs/
[DIR]  ftp://ftp.linux.org.uk/pub/distributions/redhat/7.2/en/doc/HOWTOS/translations/it/Ih/bbs/
[DIR]  ftp://ftp.charm.net/pub/usr/home2/bbs/
[DIR]  ftp://ftp.spez.com.ua/bbs/
[DIR]  ftp://ftp.spez.com.ua/bbs/linux/bbs/
[DIR]  ftp://ftp.tapr.org/software_lib/bbs/
[DIR]  ftp://ftp.whtech.com/communications/bbs/
[DIR]  ftp://ftp.powerstationbbs.ca/pub/local/bbs/
[DIR]  ftp://ftp.powerstationbbs.ca/pub/outdated/bbs/
[DIR]  ftp://ftp.powerstationbbs.ca/pub/backbone/bbs/
[DIR]  ftp://ftp.kruemel.org/filebase/bbs/
[DIR]  ftp://128.197.27.19/pub/mirrors/simtelnet/msdos/bbs/
[DIR]  ftp://128.197.27.19/pub/mirrors/info-mac/comm/bbs/
[DIR]  ftp://128.237.157.9/scene.org/resources/bbs/
[DIR]  ftp://128.237.157.9/aminet/comm/bbs/