Zoom maintenance, October 2026: Announcing IP Address Changes: November 6, 2026 (No Operational Impact)

Zoom is reporting planned maintenance: Announcing IP Address Changes: November 6, 2026 (No Operational Impact). It is still open.

Maintenance

From Zoom's official status page, in their words.

What happened

Started
Status
scheduled
Duration
28 days so far
Impact
maintenance
Affected
Zoom Meetings, Zoom Contact Center, Zoom Phone, Zoom Webinars
Window
7 Nov 2026, 6:59 pm to 7 Nov 2026, 7:00 pm
  1. Scheduled
  2. In progressnot yet
  3. Completednot yet

Why it happened

Zoom has not given a cause yet. We never guess one.

This incident on the Zoom status page

Timeline

Newest first. From Zoom's official status page, in their words.

  1. scheduled

    The published IP ranges for Zoom Meetings and Webinars, Contact Center, and Phone services have been updated, including the removal of decommissioned entries and mask changes. We recommend that network administrators with Zoom-specific firewall or network rules update their systems as soon as possible. Removed IPv4 addresses for Zoom Meetings and Webinars: 3.235.96.0/23 69.174.108.0/22 New IPv4 addresses for Zoom Meetings and Webinars: 3.235.96.26/31 3.235.96.158/31 69.174.110.0/23 Removed IPv4 addresses for Zoom Phone: 8.5.128.0/24 69.174.108.0/22 New IPv4 addresses for Zoom Phone: 69.174.110.0/23 Removed IPv4 addresses for Zoom Contact Center: 3.235.96.0/23 New IPv4 addresses for Zoom Contact Center: 3.235.96.26/31 3.235.96.158/31 For a complete list, please see: https://assets.zoom.us/docs/ipranges/Zoom.txt https://assets.zoom.us/docs/ipranges/ZoomMeetings.txt https://assets.zoom.us/docs/ipranges/ZoomPhone.txt https://assets.zoom.us/docs/ipranges/ZoomPhone-TCP443.txt https://assets.zoom.us/docs/ipranges/ZoomPhone-TCP5091.txt https://assets.zoom.us/docs/ipranges/ZoomCC.txt https://assets.zoom.us/docs/ipranges/ZCCFlowScriptCallWidget.txt A complete list of network firewall IP ranges and domains for Zoom can be found on the Zoom Support site at: https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060548

What this means for a business

  • Work from the files you already have open or downloaded; nothing saved is lost.
  • Move an urgent meeting to a phone call.
  • Tell the team in one message so nobody spends an hour troubleshooting their own laptop.

The full guide: what to do when a service you rely on is down

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