Unable to access www.citibank.com. Una ble to access any part of the site.

when i tried ping to the web site i recived this back

PING www.citibank.com (192.193.103.222): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Request timeout for icmp_seq 4
Request timeout for icmp_seq 5
Request timeout for icmp_seq 6