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 · canadaeast · 4 IPv4, 2 IPv6 · tag revision 7
145.191.180.128/262603:1030:1005:13::540/1222603:1030:1005:2::100/1204.229.80.192/2740.69.110.128/2752.139.107.96/27
Microsoft source JSON · Service-tag documentation · JSON of this selection