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azure · EventHub

Microsoft Azure uses 663 prefixes for EventHub.

Last updated 4 Nov 2026 from Microsoft Azure’s own list (file dated 2026-11-02 (change 425))

Short answer

EventHub covers Azure Event Hubs endpoints.

IPv4 prefixes379
IPv6 prefixes284
Regions in the first 100—
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
102.133.122.64/26—EventHub
102.133.127.0/26—EventHub
102.133.154.128/26—EventHub
102.133.250.64/26—EventHub
102.133.254.0/26—EventHub
102.133.26.128/26—EventHub
102.37.165.0/24—EventHub
102.37.65.0/26—EventHub
102.37.72.64/26—EventHub
102.37.83.0/24—EventHub
104.208.144.0/26—EventHub
104.208.16.0/26—EventHub
104.208.181.0/24—EventHub
104.211.146.32/27—EventHub
104.211.81.0/28—EventHub
104.214.18.128/27—EventHub
13.66.138.64/28—EventHub
13.66.145.128/26—EventHub
13.66.149.0/26—EventHub
13.67.20.64/26—EventHub
13.67.8.64/27—EventHub
13.69.106.0/26—EventHub
13.69.111.128/26—EventHub
13.69.227.0/26—EventHub
13.69.239.0/26—EventHub
13.69.64.0/26—EventHub
13.70.114.64/26—EventHub
13.70.72.0/28—EventHub
13.70.79.16/28—EventHub
13.71.170.16/28—EventHub
13.71.177.128/26—EventHub
13.71.194.64/27—EventHub
13.74.107.0/26—EventHub
13.75.34.64/26—EventHub
13.77.50.32/27—EventHub
13.78.106.64/28—EventHub
13.87.32.7/32—EventHub
13.87.33.3/32—EventHub
13.89.170.128/26—EventHub
13.89.178.112/28—EventHub
131.163.111.208/29—EventHub
131.163.111.216/30—EventHub
131.163.111.224/27—EventHub
134.138.72.0/24—EventHub
134.149.88.0/23—EventHub
158.23.102.0/24—EventHub
158.23.11.64/26—EventHub
158.23.123.64/26—EventHub
158.23.195.64/26—EventHub
168.61.143.128/26—EventHub
Showing 50 of 663 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 102.133.122.64/26;
allow 102.133.127.0/26;
allow 102.133.154.128/26;
allow 102.133.250.64/26;
allow 102.133.254.0/26;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 102.133.122.64/26 -j ACCEPT
iptables -A INPUT -s 102.133.127.0/26 -j ACCEPT
iptables -A INPUT -s 102.133.154.128/26 -j ACCEPT
iptables -A INPUT -s 102.133.250.64/26 -j ACCEPT
iptables -A INPUT -s 102.133.254.0/26 -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 4 Nov 2026
  2. Microsoft Azure documentation