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azure · OneDsCollector

Microsoft Azure uses 202 prefixes for OneDsCollector.

Last updated 2 Nov 2026 from Microsoft Azure’s own list (file dated 2026-10-26 (change 424))

Short answer

Microsoft Azure lists these prefixes under “OneDsCollector”. 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 prefixes136
IPv6 prefixes66
Regions in the first 100—
Fetched by peekip2 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.127.180/30—OneDsCollector
102.133.254.208/30—OneDsCollector
102.37.64.168/29—OneDsCollector
102.37.72.192/30—OneDsCollector
104.208.151.0/31—OneDsCollector
104.208.16.88/29—OneDsCollector
104.211.81.232/29—OneDsCollector
104.46.162.224/27—OneDsCollector
13.67.15.200/29—OneDsCollector
13.69.109.130/31—OneDsCollector
13.69.116.104/29—OneDsCollector
13.69.239.68/31—OneDsCollector
13.69.239.72/29—OneDsCollector
13.70.79.200/29—OneDsCollector
13.70.79.66/31—OneDsCollector
13.71.177.232/29—OneDsCollector
13.78.111.198/31—OneDsCollector
13.89.178.26/31—OneDsCollector
13.89.179.8/29—OneDsCollector
131.145.150.56/29—OneDsCollector
131.145.151.0/28—OneDsCollector
131.163.106.88/29—OneDsCollector
135.13.170.200/29—OneDsCollector
135.13.54.96/29—OneDsCollector
135.149.219.64/28—OneDsCollector
135.171.142.40/29—OneDsCollector
135.220.127.96/27—OneDsCollector
145.191.81.224/28—OneDsCollector
158.23.115.32/28—OneDsCollector
172.192.87.160/28—OneDsCollector
172.209.226.120/29—OneDsCollector
172.209.97.136/29—OneDsCollector
191.234.150.100/30—OneDsCollector
191.234.157.176/30—OneDsCollector
20.111.117.64/27—OneDsCollector
20.151.32.144/29—OneDsCollector
20.184.175.0/27—OneDsCollector
20.184.175.32/28—OneDsCollector
20.189.173.0/27—OneDsCollector
20.192.102.96/29—OneDsCollector
20.192.184.192/28—OneDsCollector
20.194.129.96/29—OneDsCollector
20.194.68.152/29—OneDsCollector
20.195.152.132/30—OneDsCollector
20.205.192.88/29—OneDsCollector
20.208.21.164/30—OneDsCollector
20.217.13.96/28—OneDsCollector
20.36.144.168/29—OneDsCollector
20.38.157.144/30—OneDsCollector
20.42.65.84/31—OneDsCollector
Showing 50 of 202 prefixes All prefixes (CSV)

What changed

  • 30 Oct 2026
    + 20.66.247.50/31
+ 20.66.247.52/30

Allowlist formats

nginx (first 5 prefixes)
allow 102.133.127.180/30;
allow 102.133.254.208/30;
allow 102.37.64.168/29;
allow 102.37.72.192/30;
allow 104.208.151.0/31;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.127.180/30 -j ACCEPT
iptables -A INPUT -s 102.133.254.208/30 -j ACCEPT
iptables -A INPUT -s 102.37.64.168/29 -j ACCEPT
iptables -A INPUT -s 102.37.72.192/30 -j ACCEPT
iptables -A INPUT -s 104.208.151.0/31 -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 2 Nov 2026
  2. Microsoft Azure documentation