The Zoom Community is here!
We welcome all Zoom customers to come together on the Zoom Community to ask questions, find solutions,
and collaborate with peers. Login with your Zoom account credentials and start collaborating!

Network firewall or proxy server settings for Zoom Follow

Overview

If your app stays in a "connecting" mode or has timed out due to "Network error, please try again" or "Can't connect to our service, please check your network connection and try again" issues, it could be related to your network connection, network firewall settings, or web security gateway settings.

Note: Check your network connection by opening a browser and ensure that you can access https://zoom.us

This article covers:

Zoom firewall rules

To configure your network firewall, please see the following table. The following rules should be applied to outbound traffic. Zoom will communicate to the destination port received when the client makes its connection. The firewall should be configured to allow these return connections.

Protocol Ports Source Destination
TCP 80,443 All Zoom clients *.zoom.us
TCP 443, 8801, 8802 All Zoom clients

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.81.151.128/25
52.81.215.0/24
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.189.199.0/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27


IPv6:
2620:123:2000::/40

UDP

3478, 3479, 8801 - 8810

All Zoom clients

IPv4:

3.7.35.0/25
3.21.137.128/25
3.22.11.0/24
3.23.93.0/24
3.25.41.128/25
3.25.42.0/25
3.25.49.0/24
3.80.20.128/25
3.96.19.0/24
3.101.32.128/25
3.101.52.0/25
3.104.34.128/25
3.120.121.0/25
3.127.194.128/25
3.208.72.0/25
3.211.241.0/25
3.235.69.0/25
3.235.82.0/23
3.235.71.128/25
3.235.72.128/25
3.235.73.0/25
3.235.96.0/23
4.34.125.128/25
4.35.64.128/25
8.5.128.0/23
13.52.6.128/25
13.52.146.0/25
18.157.88.0/24
18.205.93.128/25
50.239.202.0/23
50.239.204.0/24
52.61.100.128/25
52.81.151.128/25
52.81.215.0/24
52.202.62.192/26
52.215.168.0/25
64.125.62.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
69.174.108.0/22
99.79.20.0/25
101.36.167.0/24
103.122.166.0/23
111.33.115.0/25
111.33.181.0/25
115.110.154.192/26  
115.114.56.192/26
115.114.115.0/26 
115.114.131.0/26
120.29.148.0/24
129.151.0.0/19
129.151.40.0/22
129.151.48.0/20
129.159.0.0/20
129.159.160.0/19
129.159.208.0/20
130.61.164.0/22
134.224.0.0/16
140.238.128.0/24
140.238.232.0/22
144.195.0.0/16
147.124.96.0/19
149.137.0.0/17
150.230.224.0/21
152.67.20.0/24
152.67.118.0/24
152.67.168.0/22
152.67.180.0/24
152.67.184.0/22
152.67.240.0/21
152.70.224.0/21
156.45.0.0/17
158.101.64.0/24
158.101.184.0/22
160.1.56.128/25
161.189.199.0/25
161.199.136.0/22
162.12.232.0/22
162.255.36.0/22
165.254.88.0/23
168.138.16.0/22
168.138.48.0/24
168.138.56.0/21
168.138.72.0/24
168.138.74.0/25
168.138.80.0/21
168.138.96.0/22
168.138.116.0/22
168.138.244.0/24
170.114.0.0/16
173.231.80.0/20
192.204.12.0/22
193.122.16.0/20
193.122.32.0/20
193.122.208.0/20
193.122.224.0/20
193.122.240.0/20
193.123.0.0/19
193.123.40.0/21
193.123.128.0/19
193.123.168.0/21
193.123.192.0/19
198.251.128.0/17
202.177.207.128/27
204.80.104.0/21
204.141.28.0/22
207.226.132.0/24
209.9.211.0/24
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24
221.122.88.64/27
221.122.88.128/25
221.122.89.128/25
221.123.139.192/27


IPv6:
2620:123:2000::/40

Firewall rules for Zoom Phone

Note:

Protocol Ports Source Destination
TCP 5091 All Zoom clients

8.5.128.0/24
64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
101.36.167.0/24
103.122.166.0/23
120.29.148.0/24
147.124.96.0/19
149.137.0.0/17
162.12.232.0/22
173.231.92.0/24
173.231.94.0/24
192.204.12.0/22
209.9.215.0/24
213.19.144.0/24
213.19.153.0/24
213.244.140.0/24

TCP 390 (see note) All Zoom clients

3.21.137.128/25
3.235.96.0/23

UDP 20000-64000 All Zoom Clients

64.211.144.0/24
65.39.152.0/24
69.174.57.0/24
101.36.167.0/24
103.122.166.0/23
147.124.96.0/19
149.137.0.0/17
162.12.232.0/22
173.231.92.0/24
173.231.94.0/24
207.226.132.0/24
209.9.211.0/24
213.19.144.0/24
213.244.140.0/24

Firewall rules for Zoom website

Protocol Ports Source Destination
TCP 80, 443 All Zoom Clients
User's web browser
*.zoom.us
*.cloudfront.net

Firewall rules for certificate validation

The Zoom client 5.5.0 or later requires whitelisting the following URLs for certificate validation.

Protocol Ports Source

Destination

HTTP 80 Zoom client crl3.digicert.com
crl4.digicert.com
ocsp.digicert.com
certificates.godaddy.com
crl.godaddy.com
ocsp.godaddy.com
certificates.starfieldtech.com
crl.starfieldtech.com
ocsp.starfieldtech.com

Zoom CDN

The Zoom CDN is used to optimize the delivery of recordings and other assets from the Zoom website. These IP ranges are dedicated for Zoom. This is not used for the in-meeting experience. 

Protocol Ports Source

Destination

HTTPS 443 User's web browser 13.32.10.243
13.32.101.253
13.32.105.249
13.32.111.247
13.32.121.254
13.32.122.250
13.32.128.251
13.32.144.254
13.32.153.246
13.32.161.246
13.32.168.251
13.32.172.251
13.32.176.249
13.32.182.246
13.32.187.254
13.32.192.240
13.32.195.252
13.32.2.254
13.32.202.248
13.32.204.244
13.32.212.241
13.32.214.243
13.32.216.250
13.32.22.241
13.32.220.241
13.32.224.249
13.32.229.241
13.32.24.249
13.32.247.242
13.32.26.253
13.32.36.253
13.32.37.248
13.32.42.249
13.32.53.243
13.32.56.242
13.32.60.240
13.32.66.254
13.32.68.245
13.32.75.243
13.32.76.252
13.32.79.253
13.32.83.243
13.32.85.247
13.32.87.250
13.32.91.244
13.33.10.252
13.33.106.243
13.33.119.252
13.33.123.250
13.33.124.244
13.33.130.251
13.33.131.246
13.33.136.254
13.33.147.242
13.33.151.244
13.33.166.244
13.33.167.241
13.33.171.251
13.33.172.250
13.33.175.245
13.33.178.244
13.33.182.247
13.33.187.248
13.33.202.245
13.33.209.248
13.33.215.242
13.33.221.246
13.33.223.252
13.33.224.249
13.33.228.248
13.33.235.245
13.33.248.252
13.33.25.242
13.33.255.248
13.33.27.246
13.33.28.251
13.33.29.253
13.33.30.250
13.33.36.251
13.33.42.248
13.33.5.247
13.33.51.252
13.33.52.247
13.33.62.243
13.33.70.249
13.33.82.253
13.33.84.243
13.33.85.248
13.33.89.247
13.33.90.250
13.33.99.241
13.35.1.253
13.35.106.251
13.35.11.254
13.35.110.245
13.35.112.241
13.35.122.246
13.35.128.249
13.35.13.254
13.35.137.246
13.35.144.248
13.35.150.244
13.35.159.247
13.35.160.253
13.35.162.252
13.35.169.242
13.35.170.243
13.35.177.242
13.35.18.241
13.35.185.246
13.35.186.244
13.35.19.248
13.35.194.252
13.35.201.245
13.35.206.243
13.35.209.254
13.35.221.253
13.35.230.253
13.35.238.241
13.35.239.244
13.35.242.254
13.35.243.247
13.35.31.249
13.35.34.253
13.35.48.253
13.35.49.247
13.35.52.242
13.35.60.252
13.35.68.244
13.35.69.244
13.35.79.243
13.35.83.252
13.35.85.245
13.35.89.244
13.35.95.252
13.35.97.249
13.224.0.253
13.224.110.245
13.224.111.242
13.224.115.244
13.224.127.243
13.224.128.253
13.224.13.253
13.224.130.254
13.224.135.244
13.224.14.253
13.224.143.244
13.224.147.243
13.224.151.249
13.224.161.248
13.224.162.252
13.224.165.251
13.224.174.242
13.224.178.247
13.224.18.248
13.224.181.249
13.224.185.248
13.224.186.242
13.224.19.248
13.224.199.249
13.224.206.253
13.224.211.246
13.224.213.253
13.224.223.245
13.224.225.246
13.224.226.252
13.224.23.253
13.224.234.242
13.224.241.242
13.224.243.245
13.224.26.254
13.224.30.253
13.224.31.254
13.224.34.241
13.224.46.244
13.224.53.246
13.224.54.249
13.224.62.242
13.224.69.240
13.224.78.251
13.224.85.243
13.224.86.250
13.224.90.253
13.224.93.249
13.224.97.241
13.225.1.250
13.225.106.251
13.225.110.242
13.225.114.245
13.225.122.253
13.225.128.241
13.225.132.246
13.225.143.249
13.225.150.246
13.225.151.241
13.225.153.246
13.225.163.251
13.225.166.250
13.225.17.242
13.225.173.243
13.225.174.249
13.225.176.253
13.225.186.249
13.225.189.243
13.225.198.247
13.225.2.252
13.225.205.245
13.225.207.243
13.225.213.247
13.225.217.247
13.225.225.248
13.225.227.240
13.225.234.250
13.225.238.250
13.225.242.240
13.225.243.241
13.225.254.246
13.225.26.254
13.225.30.248
13.225.36.246
13.225.4.252
13.225.46.247
13.225.52.249
13.225.54.241
13.225.63.241
13.225.69.241
13.225.70.250
13.225.78.245
13.225.82.240
13.225.84.240
13.225.9.251
13.225.90.246
13.225.93.253
13.225.96.240
13.226.1.243
13.226.101.253
13.226.105.243
13.226.106.245
13.226.114.249
13.226.131.249
13.226.137.254
13.226.140.245
13.226.146.242
13.226.148.248
13.226.150.250
13.226.154.245
13.226.155.245
13.226.164.245
13.226.166.249
13.226.169.247
13.226.180.249
13.226.188.244
13.226.19.245
13.226.193.243
13.226.201.253
13.226.209.240
13.226.21.246
13.226.210.245
13.226.212.243
13.226.219.254
13.226.22.251
13.226.228.245
13.226.233.252
13.226.238.241
13.226.243.242
13.226.253.253
13.226.32.247
13.226.34.243
13.226.39.243
13.226.48.247
13.226.5.249
13.226.50.254
13.226.51.241
13.226.62.247
13.226.64.246
13.226.67.249
13.226.74.250
13.226.86.241
13.226.87.247
13.226.88.248
13.226.89.240
13.226.96.245
13.227.102.242
13.227.107.245
13.227.108.248
13.227.109.246
13.227.12.242
13.227.121.243
13.227.124.241
13.227.129.245
13.227.131.254
13.227.134.242
13.227.137.243
13.227.152.240
13.227.157.247
13.227.168.241
13.227.171.241
13.227.174.247
13.227.184.246
13.227.187.245
13.227.19.242
13.227.190.250
13.227.195.250
13.227.205.247
13.227.207.248
13.227.21.244
13.227.211.253
13.227.214.247
13.227.218.250
13.227.22.250
13.227.220.250
13.227.232.240
13.227.237.240
13.227.251.244
13.227.252.254
13.227.253.254
13.227.26.249
13.227.3.246
13.227.41.247
13.227.44.252
13.227.45.253
13.227.5.243
13.227.53.254
13.227.54.247
13.227.57.244
13.227.62.251
13.227.63.240
13.227.73.250
13.227.8.242
13.227.82.252
13.227.88.241
13.227.91.245
13.249.102.250
13.249.104.250
13.249.119.242
13.249.120.245
13.249.121.249
13.249.128.243
13.249.135.245
13.249.136.252
13.249.144.242
13.249.146.243
13.249.153.243
13.249.16.248
13.249.166.251
13.249.167.251
13.249.173.249
13.249.18.248
13.249.181.243
13.249.184.244
13.249.190.254
13.249.203.252
13.249.204.254
13.249.205.241
13.249.214.245
13.249.215.251
13.249.219.247
13.249.224.241
13.249.231.252
13.249.232.251
13.249.242.241
13.249.248.243
13.249.31.240
13.249.33.254
13.249.34.247
13.249.39.254
13.249.42.251
13.249.5.243
13.249.50.254
13.249.53.250
13.249.59.242
13.249.69.248
13.249.7.243
13.249.75.240
13.249.77.248
13.249.87.249
13.249.89.253
13.249.95.246
13.249.98.251
18.64.102.240
18.64.109.241
18.64.114.249
18.64.119.251
18.64.125.242
18.64.128.254
18.64.131.245
18.64.138.242
18.64.140.250
18.64.144.249
18.64.154.250
18.64.159.242
18.64.161.251
18.64.17.248
18.64.171.246
18.64.173.240
18.64.179.243
18.64.184.248
18.64.185.249
18.64.186.246
18.64.198.247
18.64.2.243
18.64.201.253
18.64.206.240
18.64.212.247
18.64.217.251
18.64.22.253
18.64.220.240
18.64.23.250
18.64.232.252
18.64.233.246
18.64.236.243
18.64.243.245
18.64.246.251
18.64.254.254
18.64.36.249
18.64.39.244
18.64.4.240
18.64.43.247
18.64.47.245
18.64.48.252
18.64.50.251
18.64.71.246
18.64.72.252
18.64.74.244
18.64.79.254
18.64.8.250
18.64.85.246
18.64.89.252
18.64.95.241
18.64.99.241
18.65.106.251
18.65.107.247
18.65.115.250
18.65.122.242
18.65.125.243
18.65.127.244
18.65.136.243
18.65.141.254
18.65.142.241
18.65.155.245
18.65.156.242
18.65.159.252
18.65.166.251
18.65.167.253
18.65.170.253
18.65.189.249
18.65.19.254
18.65.190.246
18.65.191.246
18.65.198.243
18.65.203.242
18.65.207.248
18.65.214.241
18.65.217.246
18.65.221.253
18.65.227.240
18.65.23.254
18.65.230.242
18.65.238.251
18.65.244.247
18.65.245.253
18.65.252.247
18.65.26.252
18.65.3.246
18.65.33.243
18.65.35.245
18.65.43.254
18.65.46.254
18.65.47.254
18.65.5.245
18.65.57.249
18.65.62.245
18.65.67.241
18.65.7.250
18.65.73.254
18.65.77.249
18.65.80.243
18.65.82.252
18.65.94.244
18.65.96.240
18.65.99.243
18.66.10.251
18.66.111.252
18.66.113.245
18.66.115.250
18.66.125.243
18.66.130.242
18.66.131.245
18.66.137.252
18.66.138.245
18.66.141.240
18.66.152.241
18.66.155.245
18.66.156.254
18.66.167.247
18.66.169.248
18.66.176.245
18.66.18.242
18.66.180.242
18.66.182.249
18.66.192.244
18.66.198.248
18.66.2.250
18.66.202.247
18.66.205.240
18.66.211.252
18.66.212.252
18.66.221.253
18.66.228.246
18.66.229.252
18.66.236.242
18.66.242.252
18.66.245.249
18.66.249.251
18.66.25.244
18.66.27.249
18.66.3.248
18.66.36.244
18.66.37.250
18.66.38.241
18.66.46.242
18.66.51.247
18.66.57.246
18.66.60.246
18.66.62.251
18.66.63.242
18.66.81.249
18.66.84.249
18.66.86.244
18.66.91.251
18.66.94.249
18.66.99.251
18.67.0.245
18.67.1.253
18.67.104.248
18.67.106.254
18.67.110.252
18.67.121.241
18.67.124.244
18.67.125.249
18.67.139.240
18.67.140.246
18.67.142.252
18.67.149.249
18.67.150.245
18.67.158.242
18.67.16.251
18.67.23.254
18.67.26.241
18.67.30.254
18.67.37.254
18.67.40.252
18.67.48.251
18.67.49.246
18.67.54.244
18.67.59.245
18.67.63.242
18.67.68.249
18.67.75.252
18.67.77.254
18.67.86.247
18.67.9.254
18.67.90.248
18.67.91.241
18.67.96.249
52.84.10.251
52.84.100.250
52.84.102.245
52.84.103.241
52.84.106.250
52.84.108.244
52.84.11.252
52.84.116.248
52.84.117.245
52.84.123.243
52.84.126.246
52.84.137.246
52.84.145.254
52.84.154.253
52.84.158.240
52.84.161.254
52.84.166.254
52.84.169.253
52.84.175.251
52.84.179.251
52.84.18.248
52.84.186.242
52.84.197.248
52.84.213.244
52.84.22.240
52.84.220.250
52.84.227.249
52.84.228.241
52.84.235.246
52.84.244.240
52.84.248.241
52.84.39.250
52.84.42.250
52.84.5.253
52.84.52.242
52.84.64.254
52.84.79.246
52.84.80.251
52.84.93.247
52.85.102.247
52.85.109.243
52.85.112.250
52.85.123.243
52.85.124.252
52.85.125.249
52.85.130.253
52.85.137.241
52.85.149.249
52.85.15.245
52.85.156.249
52.85.159.244
52.85.160.254
52.85.166.251
52.85.183.254
52.85.188.240
52.85.195.252
52.85.208.252
52.85.213.247
52.85.223.249
52.85.228.249
52.85.231.250
52.85.232.246
52.85.25.241
52.85.254.242
52.85.27.244
52.85.28.247
52.85.3.246
52.85.41.242
52.85.42.241
52.85.46.253
52.85.49.248
52.85.53.244
52.85.56.244
52.85.64.244
52.85.67.240
52.85.73.254
52.85.76.250
52.85.77.246
52.85.82.241
52.85.87.244
52.85.92.243
52.222.133.253
52.222.134.240
52.222.139.253
52.222.141.252
52.222.144.252
52.222.149.253
52.222.152.243
52.222.153.244
52.222.160.243
52.222.162.249
52.222.170.243
52.222.176.240
52.222.183.245
52.222.184.249
52.222.186.247
52.222.189.247
52.222.192.241
52.222.200.240
52.222.202.244
52.222.216.241
52.222.218.245
52.222.220.244
52.222.233.247
52.222.237.248
52.222.241.247
52.222.243.254
52.222.247.252
52.222.248.241
54.182.7.248
54.192.100.251
54.192.104.251
54.192.107.248
54.192.113.247
54.192.121.240
54.192.127.245
54.192.129.251
54.192.13.243
54.192.138.241
54.192.145.253
54.192.155.248
54.192.156.249
54.192.16.240
54.192.169.253
54.192.173.252
54.192.178.246
54.192.188.252
54.192.191.242
54.192.193.254
54.192.195.249
54.192.196.247
54.192.199.252
54.192.218.244
54.192.219.252
54.192.225.245
54.192.227.253
54.192.235.250
54.192.255.250
54.192.29.240
54.192.30.242
54.192.33.247
54.192.49.254
54.192.52.250
54.192.56.245
54.192.57.244
54.192.59.241
54.192.65.242
54.192.66.249
54.192.75.240
54.192.76.254
54.192.85.247
54.192.92.251
54.192.94.248
54.192.97.248
54.192.98.248
54.230.105.251
54.230.11.248
54.230.111.252
54.230.119.253
54.230.121.241
54.230.123.240
54.230.138.243
54.230.145.242
54.230.15.251
54.230.151.247
54.230.158.244
54.230.160.247
54.230.167.249
54.230.174.254
54.230.176.251
54.230.178.240
54.230.181.248
54.230.182.246
54.230.183.246
54.230.189.245
54.230.20.250
54.230.209.244
54.230.217.247
54.230.228.253
54.230.229.247
54.230.238.254
54.230.247.253
54.230.248.245
54.230.254.254
54.230.31.244
54.230.33.244
54.230.42.254
54.230.49.240
54.230.61.254
54.230.69.250
54.230.76.242
54.230.77.253
54.230.82.253
54.230.85.248
54.230.87.254
54.230.96.253
54.239.163.245
54.239.164.249
54.239.165.250
54.239.195.252
54.239.216.253
54.240.172.248
54.240.175.249
54.240.187.245
65.8.1.251
65.8.106.247
65.8.11.241
65.8.111.252
65.8.119.247
65.8.122.252
65.8.126.249
65.8.129.245
65.8.137.252
65.8.142.240
65.8.149.242
65.8.154.254
65.8.157.251
65.8.158.254
65.8.165.244
65.8.166.252
65.8.181.241
65.8.184.254
65.8.185.253
65.8.19.245
65.8.192.253
65.8.199.246
65.8.201.244
65.8.204.240
65.8.213.250
65.8.220.253
65.8.222.240
65.8.227.241
65.8.235.251
65.8.236.248
65.8.241.254
65.8.245.252
65.8.254.247
65.8.26.249
65.8.32.245
65.8.34.241
65.8.42.252
65.8.44.247
65.8.52.246
65.8.57.253
65.8.58.252
65.8.65.247
65.8.66.249
65.8.72.248
65.8.80.251
65.8.81.241
65.8.88.241
65.8.98.253
65.8.99.244
65.9.108.242
65.9.109.241
65.9.11.243
65.9.115.240
65.9.118.253
65.9.126.254
65.9.129.248
65.9.133.241
65.9.142.242
65.9.143.254
65.9.144.244
65.9.151.243
65.9.164.243
65.9.166.240
65.9.167.250
65.9.177.252
65.9.179.243
65.9.180.245
65.9.19.250
65.9.20.246
65.9.26.254
65.9.32.243
65.9.34.254
65.9.40.248
65.9.43.244
65.9.48.248
65.9.49.243
65.9.66.247
65.9.69.252
65.9.71.254
65.9.72.252
65.9.79.250
65.9.86.250
65.9.89.253
65.9.97.251
99.84.102.242
99.84.104.243
99.84.114.241
99.84.117.246
99.84.126.248
99.84.133.245
99.84.136.248
99.84.14.246
99.84.142.254
99.84.149.240
99.84.154.250
99.84.159.244
99.84.16.250
99.84.167.242
99.84.169.252
99.84.174.245
99.84.182.246
99.84.185.249
99.84.186.250
99.84.201.240
99.84.205.246
99.84.207.247
99.84.216.254
99.84.221.250
99.84.222.240
99.84.229.241
99.84.230.248
99.84.234.249
99.84.240.240
99.84.250.241
99.84.253.243
99.84.27.246
99.84.30.248
99.84.34.246
99.84.40.241
99.84.47.242
99.84.53.243
99.84.59.242
99.84.62.252
99.84.69.243
99.84.7.253
99.84.73.240
99.84.75.253
99.84.80.249
99.84.88.246
99.84.89.248
99.84.9.241
99.84.98.245
99.86.10.251
99.86.102.241
99.86.103.249
99.86.111.252
99.86.113.252
99.86.117.246
99.86.122.241
99.86.126.253
99.86.129.250
99.86.133.247
99.86.145.243
99.86.147.243
99.86.157.245
99.86.163.242
99.86.166.248
99.86.173.247
99.86.175.250
99.86.183.241
99.86.185.249
99.86.19.244
99.86.190.248
99.86.193.246
99.86.194.253
99.86.207.240
99.86.208.245
99.86.209.250
99.86.210.246
99.86.218.246
99.86.22.241
99.86.226.253
99.86.239.247
99.86.244.240
99.86.246.244
99.86.3.252
99.86.42.254
99.86.49.247
99.86.5.250
99.86.53.248
99.86.58.243
99.86.6.252
99.86.63.254
99.86.66.246
99.86.72.240
99.86.79.254
99.86.84.245
99.86.88.246
99.86.90.253
143.204.106.248
143.204.114.252
143.204.119.246
143.204.126.248
143.204.130.249
143.204.134.249
143.204.137.243
143.204.138.248
143.204.141.243
143.204.15.242
143.204.153.250
143.204.159.241
143.204.165.249
143.204.174.246
143.204.177.248
143.204.178.253
143.204.19.240
143.204.190.252
143.204.191.243
143.204.199.251
143.204.209.247
143.204.210.246
143.204.212.243
143.204.217.251
143.204.22.251
143.204.222.243
143.204.226.248
143.204.239.253
143.204.242.251
143.204.244.248
143.204.25.248
143.204.250.242
143.204.253.252
143.204.32.254
143.204.33.245
143.204.47.246
143.204.5.246
143.204.51.250
143.204.53.241
143.204.57.253
143.204.6.240
143.204.67.249
143.204.73.247
143.204.78.248
143.204.85.247
143.204.90.253
143.204.97.253
143.204.98.249
204.246.177.250
205.251.212.243
205.251.222.254
205.251.253.248
216.137.34.240
216.137.39.253
216.137.40.242
216.137.41.243
216.137.46.244

Additional IP ranges

Additional IP ranges to be allowed can also be found in the following lists:

Proxy server

We support https/SSL proxy server via port 443 for Zoom traffic.

Note: This does not apply to the Zoom Phone service. 

Zoom automatically detects your proxy settings. In some instances, you may be prompted to enter the proxy username/password.

Note: We recommend allowing zoom.us and *.zoom.us from proxy or SSL inspection. 

Firewall rules for other Zoom services