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azure · AzureMonitor

Microsoft Azure uses 3,187 prefixes for AzureMonitor.

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

Short answer

AzureMonitor covers the endpoints that receive logs and metrics.

IPv4 prefixes1,936
IPv6 prefixes1,251
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.122.152/29—AzureMonitor
102.133.123.240/29—AzureMonitor
102.133.126.152/29—AzureMonitor
102.133.126.64/27—AzureMonitor
102.133.155.48/28—AzureMonitor
102.133.161.73/32—AzureMonitor
102.133.162.233/32—AzureMonitor
102.133.216.106/31—AzureMonitor
102.133.216.68/31—AzureMonitor
102.133.218.144/28—AzureMonitor
102.133.218.244/30—AzureMonitor
102.133.219.128/28—AzureMonitor
102.133.221.160/27—AzureMonitor
102.133.250.152/29—AzureMonitor
102.133.251.80/29—AzureMonitor
102.133.254.224/29—AzureMonitor
102.133.27.48/28—AzureMonitor
102.133.28.64/29—AzureMonitor
102.37.64.128/27—AzureMonitor
102.37.72.240/29—AzureMonitor
102.37.80.64/27—AzureMonitor
102.37.86.196/31—AzureMonitor
104.208.144.88/29—AzureMonitor
104.208.170.144/28—AzureMonitor
104.208.170.160/28—AzureMonitor
104.208.18.64/29—AzureMonitor
104.208.231.128/28—AzureMonitor
104.208.33.155/32—AzureMonitor
104.208.34.98/32—AzureMonitor
104.208.35.169/32—AzureMonitor
104.209.156.106/32—AzureMonitor
104.209.161.217/32—AzureMonitor
104.210.9.42/32—AzureMonitor
104.211.103.96/32—AzureMonitor
104.211.147.128/28—AzureMonitor
104.211.216.161/32—AzureMonitor
104.211.79.84/32—AzureMonitor
104.211.90.234/32—AzureMonitor
104.211.91.254/32—AzureMonitor
104.211.92.218/32—AzureMonitor
104.211.92.54/32—AzureMonitor
104.211.95.59/32—AzureMonitor
104.211.96.228/32—AzureMonitor
104.214.104.109/32—AzureMonitor
104.214.164.128/27—AzureMonitor
104.214.166.96/29—AzureMonitor
104.214.70.219/32—AzureMonitor
104.215.100.22/32—AzureMonitor
104.215.103.78/32—AzureMonitor
104.215.115.118/32—AzureMonitor
Showing 50 of 3,187 prefixes All prefixes (CSV)

What changed

  • 4 Nov 2026
    + 145.133.208.0/26
+ 172.166.7.160/28
  • 30 Oct 2026
    + 130.33.125.48/28
+ 172.143.2.192/26
+ 172.143.4.144/28
+ 172.143.6.0/25
+ 172.143.6.208/28
+ 172.143.7.0/25
+ 2603:1030:210:47::738/125
+ 2603:1030:210:48::700/122
+ 4.216.6.160/29
+ 74.159.249.224/27
+ 74.159.251.0/26
+ 74.159.251.160/27
+ 74.159.251.192/26
  • 16 Oct 2026
    + 2603:1030:1702:7::300/121
+ 48.196.163.128/26
+ 48.196.163.64/26
+ 57.162.6.0/25
  • 7 Oct 2026
    + 172.134.20.128/25
+ 48.206.201.0/25
+ 74.146.240.128/25
+ 74.159.238.0/25

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.122.152/29;
allow 102.133.123.240/29;
allow 102.133.126.152/29;
allow 102.133.126.64/27;
allow 102.133.155.48/28;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.122.152/29 -j ACCEPT
iptables -A INPUT -s 102.133.123.240/29 -j ACCEPT
iptables -A INPUT -s 102.133.126.152/29 -j ACCEPT
iptables -A INPUT -s 102.133.126.64/27 -j ACCEPT
iptables -A INPUT -s 102.133.155.48/28 -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