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 ActionGroup · uaenorth · 1 IPv4, 2 IPv6 · tag revision 2
172.164.208.220/302603:1040:904:1::114/1262603:1040:904:402::178/125
Microsoft source JSON · Service-tag documentation · JSON of this selection