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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AzureSignalR.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+64 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
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Added
48.197.156.64/26new -
Added
2603:1040:1a02:7::400/122new
ID: absent → AzureSignalR.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureSignalR; Platform: absent → Azure; Network features: absent →
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Added
Service AzureSignalR · saudiarabiaeast · 1 IPv4, 1 IPv6 · tag revision 1 · last changed 11 Nov
2603:1040:1a02:7::400/12248.197.156.64/26
Microsoft source JSON · Service-tag documentation · JSON of this selection