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 426 · 3398 tags · checked today 01:16 UTC · next 13 Nov 01:16 UTCMost recent 6 observation dates · retained from 7 Oct 2026 to 11 Nov 2026. Choose any date in that range.
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ApiManagement.SoutheastAsia3Added tag · publication 423 → 424
Addresses+16 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
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Added
48.198.86.16/28new -
Added
2603:1040:1b02::740/124new
ID: absent → ApiManagement.SoutheastAsia3; Region: absent → southeastasia3; Region ID: absent → 110; Service: absent → AzureApiManagement; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
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Added
Service AzureApiManagement · southeastasia3 · 1 IPv4, 1 IPv6 · tag revision 1 · used by API, FW, NSG, UDR · last changed 29 Oct
2603:1040:1b02::740/12448.198.86.16/28
Microsoft source JSON · Service-tag documentation · JSON of this selection