http://mirrors.sonic.net/centos/6.6/os/i386/
http://centos.eecs.wsu.edu/6.6/os/i386/
http://mirror.web-ster.com/centos/6.6/os/i386/
http://centos.den.host-engine.com/6.6/os/i386/
http://mirrors.tripadvisor.com/centos/6.6/os/i386/
http://cosmos.cites.illinois.edu/pub/centos/6.6/os/i386/
http://mirror.hostduplex.com/centos/6.6/os/i386/
http://centos.mirrors.tds.net/pub/linux/centos/6.6/os/i386/
http://mirror.redsox.cc/pub/CentOS/6.6/os/i386/
http://mirrors.maine.edu/CentOS/6.6/os/i386/