Vivox: What IPs and ports are required for Vivox (V5) to work?

The following information is for use by developers who may be having issues connecting to the Vivox servers due to firewall restrictions.

V5 destination port ranges

All communications start as outbound communications from the client and only require that a firewall allows communication back on the same UDP port.

• TCP: 80, 443 - for web server (HTTP/HTTPS)
• UDP: 12000 - 52000 - for voice media (RTP)

V5 subnets

The following list is current as of July 19, 2023.

• 63.251.140.0/24
• 69.25.124.0/23
• 70.42.8.0/24
• 70.42.198.0/23
• 74.201.102.0/23
• 74.201.106.0/23
• 74.201.105.108/30
• 188.42.95.0/24
• 188.42.147.0/24
• 216.52.53.0/24

Note: A single environment has multiple backend components that could change IPs without warning.