Announcing IP Address Changes (No Operational Impact)

Scheduled for Oct 30, 23:59 PDT - Oct 31, 00:00 PDT

Scheduled

The following, new and updated IP subnet ranges will be deployed to Zoom Phone and Zoom Contact Center resources starting no earlier than 30 days from the posting of this notice. We recommend that network administrators, with Zoom-specific firewall or network rules, update their systems as soon as possible in preparation.

New IPv4 Zoom Phone ranges:
3.72.154.128/25
3.80.20.128/25
3.104.34.128/25
3.120.121.0/25
18.159.143.0/25
52.59.151.0/25
99.79.20.0/25
134.224.0.0/16
156.45.0.0/17

New IPv4 Zoom Contact Center ranges:
3.21.137.128/25
3.235.96.0/23
134.224.0.0/16
144.195.0.0/16
156.45.0.0/17
206.247.0.0/16

Additionally, we are adding a list of subnet ranges which network administrators utilizing the HTTP Call Widget in the Zoom Contact Center Flow Editor should allow.

Network requests defined in Zoom Contact Center Flow Script widget will originate from the following IP addresses:
3.18.202.127
3.20.188.102
3.66.90.39
3.66.90.206
3.70.50.178
3.141.189.66
3.237.150.230
44.212.128.71
44.198.173.62

For a complete list, please see:
https://assets.zoom.us/docs/ipranges/ZoomPhone.txt
https://assets.zoom.us/docs/ipranges/ZoomCC.txt
https://assets.zoom.us/docs/ipranges/ZoomCDN.txt
https://assets.zoom.us/docs/ipranges/ZoomCDN-IPv6.txt

A complete list of network firewall IP ranges for Zoom can be found on the Zoom Support site at: https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060548

Posted Sep 30, 2024 - 13:39 PDT

This scheduled maintenance affects: Zoom Contact Center - Global (Zoom Contact Center) and Zoom Phone - Global (Zoom Phone).