Sign inMonitor a domain
azure · AzureDevSpaces

Microsoft Azure uses 36 prefixes for AzureDevSpaces.

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 “AzureDevSpaces”. 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 prefixes36
IPv6 prefixes0
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
104.214.161.48/28—AzureDevSpaces
13.69.71.144/28—AzureDevSpaces
13.70.78.176/28—AzureDevSpaces
13.71.175.112/28—AzureDevSpaces
13.71.199.96/28—AzureDevSpaces
13.73.244.128/28—AzureDevSpaces
13.74.111.128/28—AzureDevSpaces
13.78.111.144/28—AzureDevSpaces
13.86.221.224/28—AzureDevSpaces
20.189.108.32/28—AzureDevSpaces
20.37.157.64/28—AzureDevSpaces
20.37.195.80/28—AzureDevSpaces
20.38.85.128/28—AzureDevSpaces
20.39.11.64/28—AzureDevSpaces
20.41.5.128/28—AzureDevSpaces
20.42.131.192/27—AzureDevSpaces
20.42.230.64/28—AzureDevSpaces
20.42.6.128/28—AzureDevSpaces
20.42.6.32/27—AzureDevSpaces
20.42.64.64/26—AzureDevSpaces
20.43.130.240/28—AzureDevSpaces
20.43.65.208/28—AzureDevSpaces
40.119.9.240/28—AzureDevSpaces
40.69.110.176/28—AzureDevSpaces
40.70.151.80/28—AzureDevSpaces
40.74.30.144/28—AzureDevSpaces
40.75.35.224/28—AzureDevSpaces
40.78.239.0/28—AzureDevSpaces
40.78.251.224/27—AzureDevSpaces
40.82.253.112/28—AzureDevSpaces
40.89.17.192/28—AzureDevSpaces
51.104.25.208/28—AzureDevSpaces
51.105.77.64/28—AzureDevSpaces
52.150.139.144/28—AzureDevSpaces
52.182.141.128/28—AzureDevSpaces
52.228.81.224/28—AzureDevSpaces
Showing 36 of 36 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 104.214.161.48/28;
allow 13.69.71.144/28;
allow 13.70.78.176/28;
allow 13.71.175.112/28;
allow 13.71.199.96/28;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 104.214.161.48/28 -j ACCEPT
iptables -A INPUT -s 13.69.71.144/28 -j ACCEPT
iptables -A INPUT -s 13.70.78.176/28 -j ACCEPT
iptables -A INPUT -s 13.71.175.112/28 -j ACCEPT
iptables -A INPUT -s 13.71.199.96/28 -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