We have multiple servers across the world that are used to monitor your sites. Here’s a handy guide for you to know what IP addresses are used by us per feature. This will be useful for you if you happen to use any sort of firewall system or IP locking (keeping sites private to the world).
We have over 200 monitoring servers worldwide! You can find more information on these servers through our site.
Public API Access
You can access the server locations in a programmatic fashion with the following API calls. You can view this information in JSON, XML or Text format.
We also include a set of 60 IP addresses for our Pagespeed monitoring service which can be found below in JSON and XML format:
For SSL monitoring there are just three IP addresses that you might need to include: