If you’re using Cloudflare and your website or application is hosted on Google Cloud Platform you can benefit from Google CDN Interconnect discount and save up to 75% on your bandwidth bill.
Customers egressing traffic to Cloudflare prefixes sourced from a GCP project within the same region (NA, EMEA, APAC) would get discounting applied automatically.
The invoice item will have written similar to this:
"Compute Engine Network Egress via Carrier Peering Network - Americas Based..."
Click here for more details about Cloudflare and Google partnership.