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 426
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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AzureCloud.northcentralusChanged tag · publication 425 → 426
Addresses+2 IPv4 addressesnone dropped
1 wider prefix replaces 3 prefixes it still covers.
Prefixes as published+1−3
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Added
57.157.67.96/28replaces57.157.67.96/2957.157.67.104/3057.157.67.108/31· new57.157.67.110/31
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Added
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AzureCloud.saudiarabiaeastAdded tag · publication 425 → 426
Addresses+72,900 IPv4 addresses and 16 IPv6 rangesnone dropped
Prefixes+51
- Added
13.104.169.0/24 - Added
13.105.47.0/24 - Added
13.106.2.0/25 - Added
135.130.101.0/24 - Added
135.130.132.0/23 - Added
135.130.151.0/24
Full diff · 51 published values
ID: absent → AzureCloud.saudiarabiaeast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → ; Platform: absent → Azure; Network features: absent → API, NSG
- Added
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AzureCloud.southcentralusChanged tag · publication 425 → 426
Addresses+6 IPv4 addresses and 2 IPv6 rangesnone dropped
Prefixes+4−7
- Removed
2603:1030:804:b8::/62 - Removed
2603:1030:804:bc::/63 - Removed
40.123.165.104/30 - Removed
40.123.165.112/28 - Removed
40.123.165.48/30 - Removed
40.123.165.54/31
- Removed
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AzureCloud.southeastusChanged tag · publication 425 → 426
Addresses+512 IPv4 addressesnone dropped
Prefixes as published+1
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Added
57.163.102.0/23new
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Added
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AzureCloud.southeastus3Changed tag · publication 425 → 426
Addresses+4 IPv4 addresses and 2 IPv6 rangesnone dropped
2 wider prefixes replace 2 prefixes they still cover; 2 prefixes are new.
Prefixes as published+4−2
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Added
57.157.17.96/30replaces57.157.17.96/31· new57.157.17.98/31 -
Added
2603:1061:1018:a8::/63replaces2603:1061:1018:a8::/64· new2603:1061:1018:a9::/64 -
Added
57.157.17.100/31new -
Added
2603:1061:1018:aa::/64new
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Added
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AzureCloud.spaincentralChanged tag · publication 425 → 426
Addresses+22 IPv4 addresses and 4 IPv6 rangesnone dropped
Prefixes+6−3
- Removed
2603:1061:1008:140::/61 - Removed
2603:1061:1008:148::/63 - Removed
40.120.146.160/30 - Added
2603:1061:1008:140::/60 - Added
2603:1061:1008:150::/62 - Added
2603:1061:1008:154::/64
- Removed
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AzureCloud.swedencentralChanged tag · publication 425 → 426
Addresses+2,816 IPv4 addressesnone dropped
Prefixes+11
- Added
20.202.245.0/24 - Added
20.202.252.0/24 - Added
20.202.254.0/24 - Added
52.113.105.0/24 - Added
52.113.130.0/24 - Added
52.114.101.0/24
- Added
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AzureCloud.switzerlandnChanged tag · publication 425 → 426
Addresses+4 IPv4 addressesnone dropped
1 wider prefix replaces 1 prefix it still covers; 1 prefix is new.
Prefixes as published+2−1
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Added
57.157.156.56/30replaces57.157.156.56/31· new57.157.156.58/31 -
Added
57.157.156.60/31new
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Added
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AzureCloud.taiwannorthChanged tag · publication 425 → 426
Addresses+4 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
-
Added
20.20.106.128/30new -
Added
2603:1061:1005:bc::/63new
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Added
-
AzureCloud.westcentralusChanged tag · publication 425 → 426
Addresses+4 IPv4 addressesnone dropped
1 wider prefix replaces 1 prefix it still covers.
Prefixes as published+1−1
-
Added
57.157.82.32/29replaces57.157.82.32/30· new57.157.82.36/30
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Added
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AzureCloud.westeuropeChanged tag · publication 425 → 426
Addresses+256 IPv4 addressesnone dropped
Prefixes as published+1
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Added
20.202.253.0/24new
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Added
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AzureCloud.westus2Changed tag · publication 425 → 426
Addresses+154 IPv4 addresses and 1 IPv6 rangenone dropped
1 wider prefix replaces 1 prefix it still covers; 4 prefixes are new.
Prefixes as published+5−1
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Added
57.157.74.128/26replaces57.157.74.128/29· new57.157.74.136/2957.157.74.144/2857.157.74.160/27 -
Added
40.98.4.64/26new -
Added
57.157.74.192/27new -
Added
57.157.74.224/31new -
Added
2603:1036:90c:f::/64new
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Added
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AzureCloud.westus3Changed tag · publication 425 → 426
Addresses+768 IPv4 addressesnone dropped
Prefixes as published+2
-
Added
57.163.98.0/23new -
Added
145.190.203.0/24new
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Added
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AzureCognitiveSearch.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+64 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
-
Added
48.197.72.192/26new -
Added
2603:1040:1a02::100/121new
ID: absent → AzureCognitiveSearch.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureCognitiveSearch; Platform: absent → Azure; Network features: absent →
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Added
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AzureConnectors.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+64 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
-
Added
48.197.84.192/26new -
Added
2603:1040:1a02:2::100/122new
ID: absent → AzureConnectors.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureConnectors; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
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Added
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AzureContainerRegistry.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+128 IPv4 addresses and 3 IPv6 rangesnone dropped
Prefixes as published+5
-
Added
48.197.76.192/26new -
Added
48.197.88.128/26new -
Added
2603:1040:1a02::700/125new -
Added
2603:1040:1a02:2::580/121new -
Added
2603:1040:1a02:400::8/125new
ID: absent → AzureContainerRegistry.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureContainerRegistry; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
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Added
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AzureCosmosDB.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+96 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+3
-
Added
48.197.76.32/27new -
Added
48.197.76.64/26new -
Added
2603:1040:1a02::5c0/123new
ID: absent → AzureCosmosDB.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureCosmosDB; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
-
Added
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AzureDataExplorerManagement.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+16 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+2
-
Added
48.197.81.144/28new -
Added
2603:1040:1a02:1::440/123new
ID: absent → AzureDataExplorerManagement.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureDataExplorerManagement; Platform: absent → Azure; Network features: absent →
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Added
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AzureDatabricksServerlessAdded tag · publication 425 → 426
Addresses+79,472 IPv4 addresses and 13 IPv6 rangesnone dropped
Prefixes+1822
- Added
104.209.2.128/28 - Added
104.209.3.112/28 - Added
104.209.3.144/28 - Added
104.209.3.80/28 - Added
104.214.154.0/23 - Added
104.40.30.112/29
Full diff · 1822 published values
ID: absent → AzureDatabricksServerless; Region: absent → ; Region ID: absent → 0; Service: absent → AzureDatabricksServerless; Platform: absent → Azure; Network features: absent → API, FW, NSG, UDR
- Added
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AzureDigitalTwins.SaudiArabiaEastAdded tag · publication 425 → 426
Addresses+40 IPv4 addresses and 1 IPv6 rangenone dropped
Prefixes as published+3
-
Added
48.197.76.152/29new -
Added
48.197.78.32/27new -
Added
2603:1040:1a02::780/121new
ID: absent → AzureDigitalTwins.SaudiArabiaEast; Region: absent → saudiarabiaeast; Region ID: absent → 107; Service: absent → AzureDigitalTwins; Platform: absent → Azure; Network features: absent →
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Added
Services
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