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 AzureSignalR · japaneast · 3 IPv4, 1 IPv6 · tag revision 5
13.78.109.224/2720.191.166.64/272603:1040:407:2::300/12074.176.1.64/27
Microsoft source JSON · Service-tag documentation · JSON of this selection