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azure · AzureCosmosDB

Microsoft Azure uses 801 prefixes for AzureCosmosDB.

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

Short answer

AzureCosmosDB covers Azure Cosmos DB endpoints.

IPv4 prefixes609
IPv6 prefixes192
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.122.0/26—AzureCosmosDB
102.133.154.64/26—AzureCosmosDB
102.133.220.0/27—AzureCosmosDB
102.133.250.0/26—AzureCosmosDB
102.133.26.64/26—AzureCosmosDB
102.133.60.64/27—AzureCosmosDB
104.208.231.0/25—AzureCosmosDB
104.210.210.63/32—AzureCosmosDB
104.210.217.251/32—AzureCosmosDB
104.210.89.99/32—AzureCosmosDB
104.211.102.50/32—AzureCosmosDB
104.211.146.0/28—AzureCosmosDB
104.211.162.94/32—AzureCosmosDB
104.211.184.117/32—AzureCosmosDB
104.211.227.84/32—AzureCosmosDB
104.211.84.0/28—AzureCosmosDB
104.214.18.0/25—AzureCosmosDB
104.214.23.192/27—AzureCosmosDB
104.214.26.177/32—AzureCosmosDB
104.214.54.14/32—AzureCosmosDB
104.215.1.53/32—AzureCosmosDB
104.215.113.77/32—AzureCosmosDB
104.215.76.211/32—AzureCosmosDB
104.40.12.26/32—AzureCosmosDB
104.40.8.78/32—AzureCosmosDB
104.40.8.88/32—AzureCosmosDB
104.41.177.93/32—AzureCosmosDB
104.42.182.13/32—AzureCosmosDB
104.42.8.116/32—AzureCosmosDB
104.45.131.193/32—AzureCosmosDB
104.46.177.64/27—AzureCosmosDB
108.140.0.0/25—AzureCosmosDB
108.140.0.128/26—AzureCosmosDB
13.64.194.140/32—AzureCosmosDB
13.65.145.92/32—AzureCosmosDB
13.66.138.0/26—AzureCosmosDB
13.66.152.164/32—AzureCosmosDB
13.66.166.89/32—AzureCosmosDB
13.67.8.0/26—AzureCosmosDB
13.68.28.135/32—AzureCosmosDB
13.69.112.0/25—AzureCosmosDB
13.69.226.0/25—AzureCosmosDB
13.69.66.0/25—AzureCosmosDB
13.69.66.128/29—AzureCosmosDB
13.70.74.136/29—AzureCosmosDB
13.71.124.81/32—AzureCosmosDB
13.71.170.0/28—AzureCosmosDB
13.71.194.0/26—AzureCosmosDB
13.73.254.224/27—AzureCosmosDB
13.74.106.0/25—AzureCosmosDB
Showing 50 of 801 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 102.133.122.0/26;
allow 102.133.154.64/26;
allow 102.133.220.0/27;
allow 102.133.250.0/26;
allow 102.133.26.64/26;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.122.0/26 -j ACCEPT
iptables -A INPUT -s 102.133.154.64/26 -j ACCEPT
iptables -A INPUT -s 102.133.220.0/27 -j ACCEPT
iptables -A INPUT -s 102.133.250.0/26 -j ACCEPT
iptables -A INPUT -s 102.133.26.64/26 -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