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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AzureArcInfrastructure.SoutheastAsia3Added tag · publication 423 → 424
Addresses+25 IPv4 addresses and 3 IPv6 rangesnone dropped
Prefixes+7
- Added
2603:1040:1b02:2::1b0/124 - Added
2603:1040:1b02:6::513/128 - Added
2603:1040:1b02:6::658/126 - Added
48.198.195.240/28 - Added
48.198.203.34/32 - Added
48.198.203.36/30
Full diff · 7 published values
ID: absent → AzureArcInfrastructure.SoutheastAsia3; Region: absent → southeastasia3; Region ID: absent → 110; Service: absent → AzureArcInfrastructure; Platform: absent → Azure; Network features: absent →
- Added
Service AzureArcInfrastructure · southeastasia3 · 4 IPv4, 3 IPv6 · tag revision 1 · last changed 29 Oct
2603:1040:1b02:2::1b0/1242603:1040:1b02:6::513/1282603:1040:1b02:6::658/12648.198.195.240/2848.198.203.34/3248.198.203.36/3048.198.92.188/30
Microsoft source JSON · Service-tag documentation · JSON of this selection