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azure · AzureSecurityCenter

Microsoft Azure uses 407 prefixes for AzureSecurityCenter.

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 “AzureSecurityCenter”. 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 prefixes407
IPv6 prefixes0
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.124.160/27—AzureSecurityCenter
102.37.64.64/27—AzureSecurityCenter
104.208.207.64/26—AzureSecurityCenter
104.214.164.64/27—AzureSecurityCenter
104.46.162.32/27—AzureSecurityCenter
108.140.56.32/27—AzureSecurityCenter
108.140.56.64/26—AzureSecurityCenter
108.140.57.0/24—AzureSecurityCenter
108.140.58.0/23—AzureSecurityCenter
108.140.60.0/22—AzureSecurityCenter
128.203.53.128/25—AzureSecurityCenter
128.203.55.0/24—AzureSecurityCenter
128.203.56.0/23—AzureSecurityCenter
128.203.58.0/27—AzureSecurityCenter
128.24.142.224/27—AzureSecurityCenter
128.24.143.0/24—AzureSecurityCenter
128.251.169.0/24—AzureSecurityCenter
128.251.170.0/23—AzureSecurityCenter
128.85.182.0/23—AzureSecurityCenter
128.85.92.128/25—AzureSecurityCenter
128.85.92.64/27—AzureSecurityCenter
128.85.93.0/24—AzureSecurityCenter
128.85.94.0/23—AzureSecurityCenter
13.66.145.192/27—AzureSecurityCenter
13.69.233.64/27—AzureSecurityCenter
13.70.79.32/27—AzureSecurityCenter
13.71.177.0/27—AzureSecurityCenter
13.87.32.25/32—AzureSecurityCenter
13.87.33.19/32—AzureSecurityCenter
130.107.57.128/25—AzureSecurityCenter
130.107.58.0/23—AzureSecurityCenter
130.107.60.0/24—AzureSecurityCenter
130.107.61.0/27—AzureSecurityCenter
130.131.135.64/27—AzureSecurityCenter
130.131.137.0/24—AzureSecurityCenter
130.131.138.0/23—AzureSecurityCenter
130.131.140.0/25—AzureSecurityCenter
130.213.0.128/26—AzureSecurityCenter
130.213.0.96/27—AzureSecurityCenter
130.213.1.0/24—AzureSecurityCenter
130.213.128.0/24—AzureSecurityCenter
130.213.129.0/25—AzureSecurityCenter
130.213.129.128/27—AzureSecurityCenter
130.213.2.0/23—AzureSecurityCenter
130.213.4.0/22—AzureSecurityCenter
130.33.120.0/22—AzureSecurityCenter
130.33.124.0/24—AzureSecurityCenter
130.33.125.0/27—AzureSecurityCenter
131.163.8.0/22—AzureSecurityCenter
131.189.124.0/22—AzureSecurityCenter
Showing 50 of 407 prefixes All prefixes (CSV)

What changed

  • 30 Oct 2026
    + 9.205.223.128/29
+ 9.205.223.96/27
  • 21 Oct 2026
    + 135.233.81.90/31
+ 172.169.156.128/28
+ 20.15.210.128/26

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.124.160/27;
allow 102.37.64.64/27;
allow 104.208.207.64/26;
allow 104.214.164.64/27;
allow 104.46.162.32/27;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.124.160/27 -j ACCEPT
iptables -A INPUT -s 102.37.64.64/27 -j ACCEPT
iptables -A INPUT -s 104.208.207.64/26 -j ACCEPT
iptables -A INPUT -s 104.214.164.64/27 -j ACCEPT
iptables -A INPUT -s 104.46.162.32/27 -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