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 in publication 425
Publication 426 · 3398 tags · checked today 03:46 UTC · next 16 Nov 03:46 UTCMost recent 6 observation dates · retained from 7 Oct 2026 to 11 Nov 2026. Choose any date in that range.
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Storage.EastUSChanged tag · publication 424 → 425
Addresses+768 IPv4 addressesnone dropped
Prefixes as published+2
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Added
57.163.94.0/23new -
Added
145.190.198.0/24new
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Added
Service AzureStorage · eastus · 140 IPv4, 2 IPv6 · tag revision 62 · used by API, FW, NSG, UDR · last changed 11 Nov
13.68.163.32/2813.68.165.64/2813.68.167.240/2813.82.152.16/2813.82.152.48/2813.82.152.80/2813.82.33.32/28135.130.108.0/23135.130.112.0/23135.130.12.0/23135.130.160.0/23135.130.170.0/23
Microsoft source JSON · Service-tag documentation · JSON of this selection