Twin directories of user-groups:

[DIR]  ftp://ftp.itu.edu.tr/Mirror/Mysql/user-groups/
[DIR]  ftp://ftp.si.kernel.org/mirrors/mysql/user-groups/
[DIR]  ftp://129.102.1.25/pub/mysql/user-groups/
[DIR]  ftp://64.50.238.52/.1/mysql/user-groups/
[DIR]  ftp://sunsite.mff.cuni.cz/MIRRORS/ftp.mysql.com/user-groups/
[DIR]  ftp://ftp.tudelft.nl/d2/Mysql/user-groups/
[DIR]  ftp://ftp.ip.pt/pub/mysql/user-groups/
[DIR]  ftp://ftp.nfsi.pt/pub/mysql/user-groups/
[DIR]  ftp://ftp.yzu.edu.tw/mirror/pub1/Unix/Database/MySQL/user-groups/
[DIR]  ftp://ftp.ntut.edu.tw/MySQL/user-groups/
[DIR]  ftp://ftp.ntu.edu.tw/pub/MySQL/user-groups/
[DIR]  ftp://64.50.236.52/.1/mysql/user-groups/
[DIR]  ftp://ftp.tugraz.at/ftp.tu-graz.ac.at/.mirror-sites/rsync.mirrors.dotsrc.org/MySQL/user-groups/
[DIR]  ftp://mir1.ovh.net/lv0/ftp.mysql.com/user-groups/
[DIR]  ftp://ftp.gva.es/mirror/mysql/user-groups/
[DIR]  ftp://77.88.19.68/mirrors/ftp.mysql.com/user-groups/
[DIR]  ftp://147.52.159.12/mirrors/mysql/user-groups/
[DIR]  ftp://ftp.gazi.edu.tr/mirrors/mysql/user-groups/
[DIR]  ftp://24.215.0.24/mysql/user-groups/
[DIR]  ftp://144.122.144.177/pub/mirrors/ftp.mysql.com/user-groups/
[DIR]  ftp://ftp2.au.freebsd.org/pub/mysql/user-groups/
[DIR]  ftp://ftp.sh.cvut.cz/storage/1/mysql/user-groups/
[DIR]  ftp://144.92.104.38/mirrors/mysql/user-groups/
[DIR]  ftp://ftp.ncku.edu.tw/Unix/Database/MySQL/user-groups/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.mysql.com/user-groups/
[DIR]  ftp://ftp.crihan.fr/mirrors/www.mysql.com/user-groups/
[DIR]  ftp://ftp.kreonet.re.kr/tools/db/mysql/user-groups/
[DIR]  ftp://ftp.blackcube.org/pub/nextfiles.z80.org/pub/Documents/user-groups/
[DIR]  ftp://ftp.blackcube.org/pub/ftp.nice.ch/peanuts/GeneralData/Documents/user-groups/