ZFG Announcing IP Address Changes: October 21, 2026 (No Operational Impact)

Scheduled for Oct 21, 23:59 PDT - Oct 22, 00:00 PDT

Scheduled

The following new IPv4 and IPv6 ranges and addresses will be deployed to Zoom for Government for upcoming support for the Zoom Virtual Agent (ZVA) service, starting no earlier than 30 days from the posting of this notice. We recommend that network administrators with Zoom for Government-specific firewall or network rules update their systems as soon as possible in preparation.

New IPv4 range for Zoom Virtual Agent:
18.254.23.128/25
52.61.100.128/25
160.1.56.128/25
173.231.81.0/24

New IPv6 range for Zoom Virtual Agent:
2620:123:20fb::/48

New IPv4 addresses for the ZVA Flow Script widget endpoints:
16.66.15.28
18.253.73.155
56.136.26.83
56.136.58.199

New IPv4 addresses for the ZVA HTTP call widget, AI expert assist, and knowledge base to sync content endpoints:
18.254.23.157
18.254.23.158
18.254.23.159
52.61.100.254
52.61.100.253
160.1.56.255

A complete list of network firewall IP ranges for Zoom for Government can be found on the Zoom for Government Support site at:
https://support.zoomgov.com/hc?id=kb_article_view&sysparm_article=KB0010104

Posted Sep 21, 2026 - 13:14 PDT

This scheduled maintenance affects: ZFG: Zoom Contact Center (Workforce Management) and ZFG: Zoom Virtual Agent.