Server shows thousands of calls from Cloudflare

I wonder if anyone has experienced the following. The IIS Worker Process of my web server shows tremendous spikes at times. When I check the logs the calls are coming from CloudFlare’s IPs. These are literally tens of thousands of calls throughout the day but when I look in the backend of my website which I can see who is accessing the site, I barely see any activity at all. Meaning, the site is not getting these thousands of visits or requests. It would appear like CloudFlare is constantly scanning my site all day long? I don’t think these are “bots” as CloudFlare would block them and I have also rate limiting set up too and no data appears there.

Does anyone know why this is happening?

https://support.cloudflare.com/hc/en-us/articles/200170786-Restoring-original-visitor-IPs

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