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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.

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Service Region Exact tag Clear

Observed changes

Publication 426 · 3398 tags · checked today 01:16 UTC · next 13 Nov 01:16 UTC

Most recent 6 observation dates · retained from 7 Oct 2026 to 11 Nov 2026. Choose any date in that range.

3 Nov
AzureQuantumAdded tag · publication 424 → 425

Addresses+504 IPv4 addresses and 24 IPv6 rangesnone dropped
Prefixes+52
- Added 134.138.214.142/31
- Added 134.138.214.144/28
- Added 172.178.144.192/27
- Added 172.187.44.32/27
- Added 172.215.255.96/27
- Added 172.215.51.56/29
Full diff · 52 published values
ID: absent → AzureQuantum; Region: absent → ; Region ID: absent → 0; Service: absent → AzureQuantum; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR

All of them as one list: IPv4 · IPv6 · both

Service AzureQuantum · global · 28 IPv4, 24 IPv6 · tag revision 1 · used by API, FW, NSG, UDR · last changed 3 Nov

134.138.214.142/31
134.138.214.144/28
172.178.144.192/27
172.187.44.32/27
172.215.255.96/27
172.215.51.56/29
172.215.78.220/30
2603:1020:1004:d::540/123
2603:1020:206:12::4a0/123
2603:1020:5:c::3c0/123
2603:1020:605:7::780/123
2603:1020:705:6::5c0/123

This tag as a list

Microsoft source JSON · Service-tag documentation · JSON of this selection