Azure service tags
Public-cloud IP prefixes by service and region, the exact differences between Microsoft's weekly publications, and lists your firewall can read.
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Observed changes
Publication 421 · 3321 tags · checked 08:42 UTC · next 10 Oct 08:42 UTCNo observed change matches this selection. A baseline alone does not establish a change.
Service AzureIoTHub · westindia · 3 IPv4, 1 IPv6 · tag revision 3
20.38.128.128/272603:1040:806:402::300/12352.136.51.128/2552.136.52.0/27
Microsoft source JSON · Service-tag documentation · JSON of this selection