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 8 Oct 08:35 UTC · next 08:35 UTCNo observed change matches this selection. A baseline alone does not establish a change.
Service AzureBotService · eastus · 2 IPv4, 1 IPv6 · tag revision 2
20.42.0.64/302603:1030:210:1::20/12340.71.12.244/30
Microsoft source JSON · Service-tag documentation · JSON of this selection