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 01:56 UTC · next 14 Nov 01:56 UTCMost recent 6 observation dates · retained from 7 Oct 2026 to 11 Nov 2026. Choose any date in that range.
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AzureCosmosDB.SoutheastAsia3Added tag · publication 423 → 424
Addresses+96 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+3
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Added
48.198.84.32/27new -
Added
48.198.84.64/26new -
Added
2603:1040:1b02::5c0/123new
ID: absent → AzureCosmosDB.SoutheastAsia3; Region: absent → southeastasia3; Region ID: absent → 110; Service: absent → AzureCosmosDB; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
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Added
Service AzureCosmosDB · southeastasia3 · 2 IPv4, 1 IPv6 · tag revision 1 · used by API, FW, NSG, UDR · last changed 29 Oct
2603:1040:1b02::5c0/12348.198.84.32/2748.198.84.64/26
Microsoft source JSON · Service-tag documentation · JSON of this selection