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azure · AzureResourceManager

Microsoft Azure uses 385 prefixes for AzureResourceManager.

Last updated 5 Nov 2026 from Microsoft Azure’s own list (file dated 2026-11-02 (change 425))

Short answer

Microsoft Azure lists these prefixes under “AzureResourceManager”. 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 prefixes218
IPv6 prefixes167
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.123.224/28—AzureResourceManager
102.133.158.0/23—AzureResourceManager
102.133.222.0/23—AzureResourceManager
102.133.28.16/28—AzureResourceManager
102.133.30.0/23—AzureResourceManager
102.133.62.0/23—AzureResourceManager
104.214.162.0/23—AzureResourceManager
104.214.166.0/26—AzureResourceManager
104.46.160.0/24—AzureResourceManager
104.46.161.0/25—AzureResourceManager
104.46.180.0/23—AzureResourceManager
13.104.150.85/32—AzureResourceManager
13.66.141.176/28—AzureResourceManager
13.67.18.0/23—AzureResourceManager
13.69.114.0/23—AzureResourceManager
13.69.229.224/28—AzureResourceManager
13.69.234.0/23—AzureResourceManager
13.69.67.32/28—AzureResourceManager
13.70.74.64/28—AzureResourceManager
13.70.76.0/23—AzureResourceManager
13.71.173.192/28—AzureResourceManager
13.71.196.80/28—AzureResourceManager
13.71.198.0/24—AzureResourceManager
13.73.240.224/28—AzureResourceManager
13.73.246.0/23—AzureResourceManager
13.75.39.16/28—AzureResourceManager
13.77.53.32/28—AzureResourceManager
13.77.55.0/25—AzureResourceManager
13.78.109.96/28—AzureResourceManager
13.86.219.80/28—AzureResourceManager
13.86.222.0/24—AzureResourceManager
13.87.32.20/32—AzureResourceManager
13.87.33.18/32—AzureResourceManager
13.89.180.0/23—AzureResourceManager
134.138.74.0/23—AzureResourceManager
158.23.106.0/23—AzureResourceManager
168.61.138.0/23—AzureResourceManager
168.61.143.192/26—AzureResourceManager
172.129.82.0/23—AzureResourceManager
172.169.142.0/23—AzureResourceManager
172.194.74.0/23—AzureResourceManager
172.198.90.0/23—AzureResourceManager
172.204.162.0/23—AzureResourceManager
191.233.205.16/28—AzureResourceManager
191.233.52.0/23—AzureResourceManager
191.234.140.0/23—AzureResourceManager
191.234.158.0/23—AzureResourceManager
20.135.136.30/32—AzureResourceManager
20.135.138.85/32—AzureResourceManager
20.135.140.94/32—AzureResourceManager
Showing 50 of 385 prefixes All prefixes (CSV)

What changed

  • 16 Oct 2026
    + 2603:1030:40b:1400::62/127
+ 2603:1030:807:1400::1c/127
+ 2603:1030:f:800::4a/127
+ 48.223.123.172/31
+ 57.173.25.10/31
+ 74.145.160.112/31

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.123.224/28;
allow 102.133.158.0/23;
allow 102.133.222.0/23;
allow 102.133.28.16/28;
allow 102.133.30.0/23;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.123.224/28 -j ACCEPT
iptables -A INPUT -s 102.133.158.0/23 -j ACCEPT
iptables -A INPUT -s 102.133.222.0/23 -j ACCEPT
iptables -A INPUT -s 102.133.28.16/28 -j ACCEPT
iptables -A INPUT -s 102.133.30.0/23 -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 5 Nov 2026
  2. Microsoft Azure documentation