Could you please remove the mirror.chrishawker.com.au mirror from the list, as it has been replaced by the service below?

HTTP: http://mirror.dataone.net.au/centos/
FTP: ftp://mirror.dataone.net.au/centos/
RSYNC: rsync://mirror.dataone.net.au/centos/

Sync schedule: Every 4 hrs
Bandwidth: 1Gbps
Location: Australia/Sydney (Equinix SY4 Datacentre)
Sponsor: DataOne Networks
Sponsor URL: https://www.dataonenetworks.com.au
IPv4 address to authorize: 103.77.68.101
Email contact: christopher@dataonenetworks.com.au
Mirroring AltArch: Not yet, still completing initial sync however CentOS Main is ready.