We have been informed by our ISP at Hong Kong that they are facing some technical difficulties in their data center. Hence as a result, they are changing the IP address of our monitoring server. We apologize for the short notice.

Old IP Address of Hong Kong Monitoring Server
  • 121.54.169.169
New IP Address of Hong Kong Monitoring Server
  • 210.56.51.154

If you have enabled IP restriction in your server, make sure that you add the new IP address into the allowed list. This change is necessary to ensure that our monitoring request carries on smoothly without any hindrance. If you have any questions, do contact us at support@site24x7.com.


The IP address for our Washington DC location will change from January 26, 2012. The new IP details are given in the below table.


LocationOld IPNew IP
Washington DC
208.43.74.12472.44.88.143


We request all our customers who use Washington as their monitoring location, to please take note of this IP change and white-list the new IP address.

If you have any questions or clarifications, do contact us at support@site24x7.com.



We would like to inform you that our hosting provider in Phoenix, USA is currently upgrading their servers. Hence, the IP address for this monitoring server will be changed in three (3) day's time. We request you to update your firewall settings by including the new IP address in your white list, so as to ensure that the monitoring from this server continues without any hindrance.

Old IP address for Phoenix monitoring server: 184.95.45.48

New IP address for Phoenix monitoring server: 66.85.163.222

We apologize for this short notice and inconvenience caused.

In case you have questions, please contact us at support@site24x7.com.