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azure · GatewayManager

Microsoft Azure uses 388 prefixes for GatewayManager.

Last updated 4 Nov 2026 from Microsoft Azure’s own list (file dated 2026-11-02 (change 425))

Short answer

Microsoft Azure lists these prefixes under “GatewayManager”. Microsoft publishes Azure’s ranges weekly as Service Tags: named groups such as AzureCloud, Storage, Sql or AzureFrontDoor.Frontend, each a list of prefixes. We import the global (non-regional) tags.

IPv4 prefixes307
IPv6 prefixes81
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.155.16/29—GatewayManager
102.133.216.72/29—GatewayManager
102.133.27.16/29—GatewayManager
102.133.56.72/29—GatewayManager
102.37.86.224/27—GatewayManager
104.211.146.88/29—GatewayManager
104.211.81.208/29—GatewayManager
104.214.19.64/29—GatewayManager
108.140.46.160/28—GatewayManager
13.66.140.144/29—GatewayManager
13.67.9.128/29—GatewayManager
13.69.227.224/29—GatewayManager
13.69.64.224/29—GatewayManager
13.70.72.208/29—GatewayManager
13.71.170.240/29—GatewayManager
13.71.194.232/29—GatewayManager
13.75.36.8/29—GatewayManager
13.77.50.88/29—GatewayManager
13.78.108.16/29—GatewayManager
13.87.32.0/32—GatewayManager
13.87.33.10/32—GatewayManager
13.89.171.96/29—GatewayManager
134.112.169.240/28—GatewayManager
134.138.64.64/26—GatewayManager
145.191.111.64/27—GatewayManager
145.191.173.128/26—GatewayManager
158.158.133.112/28—GatewayManager
158.23.96.64/26—GatewayManager
167.105.251.240/28—GatewayManager
172.129.72.64/26—GatewayManager
172.166.7.192/26—GatewayManager
172.170.121.128/27—GatewayManager
172.186.108.128/27—GatewayManager
172.194.64.64/26—GatewayManager
172.195.113.144/28—GatewayManager
172.196.72.160/28—GatewayManager
172.197.26.176/28—GatewayManager
172.198.80.64/26—GatewayManager
172.204.152.64/26—GatewayManager
172.209.114.192/27—GatewayManager
191.233.203.208/29—GatewayManager
191.233.245.118/32—GatewayManager
191.233.245.75/32—GatewayManager
191.233.8.64/26—GatewayManager
191.235.224.72/29—GatewayManager
191.238.78.96/27—GatewayManager
20.105.210.128/27—GatewayManager
20.107.239.96/27—GatewayManager
20.111.2.224/27—GatewayManager
20.116.42.128/27—GatewayManager
Showing 50 of 388 prefixes All prefixes (CSV)

What changed

No prefixes added or removed since we started tracking this list. Changes appear here the day after the provider publishes them.

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.155.16/29;
allow 102.133.216.72/29;
allow 102.133.27.16/29;
allow 102.133.56.72/29;
allow 102.37.86.224/27;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.155.16/29 -j ACCEPT
iptables -A INPUT -s 102.133.216.72/29 -j ACCEPT
iptables -A INPUT -s 102.133.27.16/29 -j ACCEPT
iptables -A INPUT -s 102.133.56.72/29 -j ACCEPT
iptables -A INPUT -s 102.37.86.224/27 -j ACCEPT

Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.

Sources

  1. Microsoft Azure: published IP ranges · checked 4 Nov 2026
  2. Microsoft Azure documentation