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azure · AzureAttestation

Microsoft Azure uses 657 prefixes for AzureAttestation.

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 “AzureAttestation”. 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 prefixes508
IPv6 prefixes149
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.126.132/30—AzureAttestation
102.133.221.196/30—AzureAttestation
102.37.64.120/30—AzureAttestation
102.37.80.52/30—AzureAttestation
104.214.164.108/30—AzureAttestation
104.46.162.16/30—AzureAttestation
104.46.179.240/30—AzureAttestation
13.66.145.224/30—AzureAttestation
13.69.109.140/30—AzureAttestation
13.69.233.128/30—AzureAttestation
13.70.79.80/30—AzureAttestation
13.71.175.208/30—AzureAttestation
13.85.231.72/29—AzureAttestation
13.85.231.80/30—AzureAttestation
13.86.223.192/30—AzureAttestation
134.112.195.40/29—AzureAttestation
134.112.195.48/30—AzureAttestation
134.138.246.140/30—AzureAttestation
134.138.246.144/29—AzureAttestation
134.138.64.20/30—AzureAttestation
135.235.62.96/29—AzureAttestation
145.191.155.244/30—AzureAttestation
145.191.155.248/29—AzureAttestation
158.158.139.48/29—AzureAttestation
158.158.139.56/30—AzureAttestation
158.158.214.140/30—AzureAttestation
158.158.214.240/29—AzureAttestation
158.23.100.152/30—AzureAttestation
167.105.220.112/29—AzureAttestation
167.105.254.248/29—AzureAttestation
168.61.140.108/30—AzureAttestation
172.129.72.20/30—AzureAttestation
172.129.91.32/29—AzureAttestation
172.161.230.124/30—AzureAttestation
172.161.230.224/29—AzureAttestation
172.165.36.212/30—AzureAttestation
172.165.36.216/29—AzureAttestation
172.167.62.164/30—AzureAttestation
172.167.62.168/29—AzureAttestation
172.170.180.48/29—AzureAttestation
172.175.111.120/29—AzureAttestation
172.182.41.228/30—AzureAttestation
172.182.44.40/29—AzureAttestation
172.186.116.228/30—AzureAttestation
172.186.116.240/29—AzureAttestation
172.186.143.108/30—AzureAttestation
172.186.143.128/29—AzureAttestation
172.192.194.16/29—AzureAttestation
172.192.194.4/30—AzureAttestation
172.192.225.104/29—AzureAttestation
Showing 50 of 657 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 102.133.126.132/30;
allow 102.133.221.196/30;
allow 102.37.64.120/30;
allow 102.37.80.52/30;
allow 104.214.164.108/30;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.126.132/30 -j ACCEPT
iptables -A INPUT -s 102.133.221.196/30 -j ACCEPT
iptables -A INPUT -s 102.37.64.120/30 -j ACCEPT
iptables -A INPUT -s 102.37.80.52/30 -j ACCEPT
iptables -A INPUT -s 104.214.164.108/30 -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 4 Nov 2026
  2. Microsoft Azure documentation