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azure · AzureArcInfrastructure

Microsoft Azure uses 589 prefixes for AzureArcInfrastructure.

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 “AzureArcInfrastructure”. 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 prefixes482
IPv6 prefixes107
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.127.176/31—AzureArcInfrastructure
102.133.154.6/31—AzureArcInfrastructure
102.133.218.52/30—AzureArcInfrastructure
102.133.219.188/30—AzureArcInfrastructure
102.133.254.200/30—AzureArcInfrastructure
102.133.254.204/32—AzureArcInfrastructure
102.133.57.188/30—AzureArcInfrastructure
102.37.64.160/30—AzureArcInfrastructure
104.211.146.248/30—AzureArcInfrastructure
104.214.164.48/31—AzureArcInfrastructure
104.46.162.2/32—AzureArcInfrastructure
104.46.162.28/30—AzureArcInfrastructure
104.46.163.96/29—AzureArcInfrastructure
104.46.178.0/30—AzureArcInfrastructure
108.140.1.104/31—AzureArcInfrastructure
108.140.1.96/29—AzureArcInfrastructure
13.66.143.219/32—AzureArcInfrastructure
13.66.149.68/31—AzureArcInfrastructure
13.67.15.1/32—AzureArcInfrastructure
13.67.15.124/30—AzureArcInfrastructure
13.69.239.84/30—AzureArcInfrastructure
13.69.239.88/32—AzureArcInfrastructure
13.70.79.198/31—AzureArcInfrastructure
13.70.79.64/32—AzureArcInfrastructure
13.71.175.129/32—AzureArcInfrastructure
13.71.177.224/32—AzureArcInfrastructure
13.71.199.117/32—AzureArcInfrastructure
13.73.244.196/32—AzureArcInfrastructure
13.73.253.124/30—AzureArcInfrastructure
13.74.107.94/31—AzureArcInfrastructure
13.77.53.221/32—AzureArcInfrastructure
13.78.111.193/32—AzureArcInfrastructure
13.81.244.155/32—AzureArcInfrastructure
13.86.223.80/32—AzureArcInfrastructure
13.89.179.20/30—AzureArcInfrastructure
13.89.179.24/32—AzureArcInfrastructure
13.90.194.180/32—AzureArcInfrastructure
134.112.168.132/32—AzureArcInfrastructure
134.112.73.70/32—AzureArcInfrastructure
134.112.73.72/30—AzureArcInfrastructure
134.138.220.80/32—AzureArcInfrastructure
134.138.76.120/30—AzureArcInfrastructure
134.138.88.84/32—AzureArcInfrastructure
134.138.99.12/32—AzureArcInfrastructure
135.235.45.41/32—AzureArcInfrastructure
135.235.45.48/30—AzureArcInfrastructure
137.135.98.137/32—AzureArcInfrastructure
145.191.108.225/32—AzureArcInfrastructure
145.191.174.144/28—AzureArcInfrastructure
158.158.133.70/32—AzureArcInfrastructure
Showing 50 of 589 prefixes All prefixes (CSV)

What changed

  • 30 Oct 2026
    + 51.53.51.228/31
+ 70.157.200.40/29
  • 21 Oct 2026
    + 2603:1040:1a02:7::1cf/128
+ 2603:1040:1a02:7::3bc/126
+ 2603:1040:1b02:6::513/128
+ 2603:1040:1b02:6::658/126
+ 48.197.153.169/32
+ 48.197.157.196/30
+ 48.198.203.34/32
+ 48.198.203.36/30

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.127.176/31;
allow 102.133.154.6/31;
allow 102.133.218.52/30;
allow 102.133.219.188/30;
allow 102.133.254.200/30;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.127.176/31 -j ACCEPT
iptables -A INPUT -s 102.133.154.6/31 -j ACCEPT
iptables -A INPUT -s 102.133.218.52/30 -j ACCEPT
iptables -A INPUT -s 102.133.219.188/30 -j ACCEPT
iptables -A INPUT -s 102.133.254.200/30 -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