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.
Observed changes
Publication 421 · 3321 tags · checked 8 Oct 08:35 UTC · next 08:35 UTC-
AzureCloud.centralusChanged tag · publication 420 → 421
Addresses+4 IPv4 addresses and 2 IPv6 rangesnone dropped
3 wider prefixes replace 7 prefixes they still cover; 1 prefix is new.
Prefixes as published+4−7
-
Added
40.123.169.160/27replaces40.123.169.160/2840.123.169.176/3140.123.169.180/3040.123.169.184/29· new40.123.169.178/31 -
Added
40.123.170.88/29replaces40.123.170.88/3040.123.170.92/31· new40.123.170.94/31 -
Added
2603:1030:9:33c::/63replaces2603:1030:9:33c::/64· new2603:1030:9:33d::/64 -
Added
2603:1030:9:33e::/64new
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Added
Service not named · centralus · 665 IPv4, 268 IPv6 · tag revision 218 · used by API, NSG · last changed 7 Oct
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Microsoft source JSON · Service-tag documentation · JSON of this selection