Please add the following mirror and whitelist the IP:

HTTP: http://mirror.inode.at/data/centos/ 

FTP: ftp://mirror.inode.at/centos/

RSYNC: rsync://mirror.inode.at/mirror/centos/  

Sync schedule: Every 6 hrs

Bandwidth: 1 Gbit

Location: Vienna, Austria

Sponsor: UPC Austria

Sponsor URL: www.upc.at

IP to authorize: 81.223.20.34

Email contact: mirror@inode.at

all the best,

Michael