We are adding  new server in our Chicago & London location from 14th September 2015.
This is in addition to our existing server present in the respective location. The IP address of the new servers are given below.

Chicago Server IP Address: 104.207.142.102

London Server IP Address: 212.71.236.77 & 139.162.197.250

We request you to take note of these IP addresses and whitelist the same in your firewall policy. For a complete list of Site24x7 server locations, refer our   Global Monitoring Locations   page.

Thanks,

-Vijay-