We can not see our Cairo/Egypt mirror server on List of Centos mirror web page http://www.centos.org/download/mirrors/
We added it 3 years ago but for some reason not shown on your mirror list page.
HTTP: http://mirror.citynethost.com/centos
Sync schedule: Every 6 hrs
Bandwidth: 100 Mbps
Location: Cairo, Egypt
Sponsor: CityNet Host
Sponsor URL: http://www.citynethost.com
IP to authorize: 41.77.137.82
Email contact: admin@citynethost.com