Google IP Ranges for Looker Connector

I need to whitelist the IP Range the Looker Studio Connector uses.

The Matomo Dokumentation ( links to a Google Document stating

However, after whitelisting the IP range, the authentification fails. Each time a different Google IP (outside the whitelistet IP range) gets blocked.

Could you please provide all the IP ranges that could be used, so I can whitelist them? Thanks!

How about whitelist all ranges owned by Google?

Is there a list of all Google IP ranges?