Scheduled - We will be adding additional IP address ranges for Zoom in the near future. This is an advance notice for the upcoming change so that network administrators, with Zoom specific firewall or network rules, can update their systems accordingly in preparation. For more details, please see the following articles:

Zoom Client: https://support.zoom.us/hc/en-us/articles/201362683
Cloud Room Connector: https://support.zoom.us/hc/en-us/articles/201458316
May 17, 11:35 PDT

Scheduled - We will be performing a routine maintenance on our Web Backend. Please refer to https://support.zoom.us/hc/en-us/sections/201214205 for more details.

There is no operational impact. All services will be available during this scheduled update.
Jun 15, 07:32 PDT