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 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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ApiManagement.WestUS2Changed tag · publication 424 → 425
Addresses+4 IPv4 addressesnone dropped
Prefixes as published+1
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Added
74.146.135.140/30new
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Added
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ApiManagement.WestUS3Changed tag · publication 424 → 425
Addresses+4 IPv4 addressesnone dropped
Prefixes as published+1
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Added
172.182.17.152/30new
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Added
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AzureCloudChanged tag · publication 424 → 425
Addresses+11,077,632 IPv4 addresses−22,178 IPv4 addresses and 15 IPv6 ranges
Prefixes+2803−71
- Removed
130.107.0.0/16 - Removed
131.145.0.0/16 - Removed
134.149.0.0/16 - Removed
135.116.0.0/16 - Removed
135.13.0.0/16 - Removed
135.149.0.0/16
- Removed
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AzureCloud.australiaeastChanged tag · publication 424 → 425
Addresses+12 IPv4 addresses−111 IPv4 addresses
Prefixes+71−4
- Removed
20.227.0.0/17 - Removed
4.195.0.0/16 - Removed
4.237.0.0/16 - Removed
40.120.179.48/31 - Added
20.227.0.0/18 - Added
20.227.112.0/21
- Removed
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AzureCloud.australiasoutheastChanged tag · publication 424 → 425
Addresses+768 IPv4 addresses−16 IPv4 addresses and 1 IPv6 range
Prefixes+92−2
- Removed
2603:1010:100::/40 - Removed
4.199.0.0/17 - Added
145.190.201.0/24 - Added
2603:1010:100::/48 - Added
2603:1010:101:1000::/52 - Added
2603:1010:101:100::/56
- Removed
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AzureCloud.brazilsouthChanged tag · publication 424 → 425
Addresses+10 IPv4 addresses−21 IPv4 addresses
Prefixes+32−1
- Removed
4.160.0.0/16 - Added
20.20.98.144/29 - Added
20.20.98.152/31 - Added
4.160.0.0/19 - Added
4.160.128.0/17 - Added
4.160.32.0/20
- Removed
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AzureCloud.canadacentralChanged tag · publication 424 → 425
Addresses−162 IPv4 addresses
Prefixes+53−4
- Removed
130.107.0.0/16 - Removed
4.172.0.0/15 - Removed
4.174.0.0/16 - Removed
4.204.0.0/15 - Added
130.107.0.0/18 - Added
130.107.128.0/17
- Removed
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AzureCloud.canadaeastChanged tag · publication 424 → 425
Addresses−16 IPv4 addresses
Prefixes+11−1
- Removed
4.248.0.0/17 - Added
4.248.0.0/18 - Added
4.248.104.0/23 - Added
4.248.106.0/25 - Added
4.248.106.128/26 - Added
4.248.106.192/27
- Removed
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AzureCloud.centralfranceChanged tag · publication 424 → 425
Addresses−96 IPv4 addresses
Prefixes+32−3
- Removed
4.178.0.0/16 - Removed
4.251.0.0/17 - Removed
48.220.0.0/17 - Added
4.178.0.0/17 - Added
4.178.128.0/22 - Added
4.178.132.0/24
- Removed
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AzureCloud.centralindiaChanged tag · publication 424 → 425
Addresses−96 IPv4 addresses
Prefixes+33−3
- Removed
135.13.128.0/17 - Removed
4.188.0.0/16 - Removed
4.213.0.0/16 - Added
135.13.128.0/20 - Added
135.13.144.0/21 - Added
135.13.152.0/24
- Removed
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AzureCloud.centralusChanged tag · publication 424 → 425
Addresses−41 IPv4 addresses
Prefixes+40−3
- Removed
172.212.128.0/17 - Removed
64.236.0.0/17 - Removed
72.152.0.0/17 - Added
172.212.128.0/18 - Added
172.212.192.0/19 - Added
172.212.224.0/20
- Removed
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AzureCloud.centraluseuapChanged tag · publication 424 → 425
Addresses−146 IPv4 addresses and 1 IPv6 range
Prefixes+99−2
- Removed
172.215.0.0/17 - Removed
2603:1030:f::/48 - Added
172.215.0.0/19 - Added
172.215.32.0/21 - Added
172.215.40.0/22 - Added
172.215.44.0/24
- Removed
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AzureCloud.denmarkeastChanged tag · publication 424 → 425
Addresses−1 IPv6 range
Prefixes+72−1
- Removed
2603:1020:1602::/47 - Added
2603:1020:1602:1000::/52 - Added
2603:1020:1602:100::/56 - Added
2603:1020:1602:10::/60 - Added
2603:1020:1602:2000::/51 - Added
2603:1020:1602:200::/55
- Removed
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AzureCloud.eastusChanged tag · publication 424 → 425
Addresses+768 IPv4 addresses−680 IPv4 addresses and 1 IPv6 range
Prefixes+217−6
- Removed
135.222.0.0/17 - Removed
2603:1030:210::/47 - Removed
48.211.0.0/17 - Removed
57.152.0.0/17 - Removed
72.152.128.0/17 - Removed
9.169.0.0/17
- Removed
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AzureCloud.eastus2Changed tag · publication 424 → 425
Addresses+32,768 IPv4 addresses−2,160 IPv4 addresses
Prefixes+121−8
- Removed
135.232.0.0/17 - Removed
172.176.0.0/15 - Removed
20.161.0.0/16 - Removed
4.150.64.0/18 - Removed
40.84.0.0/17 - Removed
48.214.0.0/17
- Removed
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AzureCloud.eastus2euapChanged tag · publication 424 → 425
Addresses−146 IPv4 addresses
Prefixes+26−2
- Removed
172.173.32.0/19 - Removed
72.147.0.0/17 - Added
172.173.32.0/20 - Added
172.173.48.0/21 - Added
172.173.56.0/23 - Added
172.173.58.0/26
- Removed
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AzureCloud.eastus3Changed tag · publication 424 → 425
Addresses+2 IPv4 addresses and 1 IPv6 range−1 IPv6 range
Prefixes+74−2
- Removed
2603:1030:1402::/47 - Removed
2603:1061:101a:170::/64 - Added
2603:1030:1402:0:1000::/68 - Added
2603:1030:1402:0:100::/72 - Added
2603:1030:1402:0:10::/76 - Added
2603:1030:1402:0:1::/80
- Removed
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AzureCloud.germanynChanged tag · publication 424 → 425
Addresses−16 IPv4 addresses
Prefixes+8−1
- Removed
4.184.0.0/20 - Added
4.184.0.0/21 - Added
4.184.12.0/25 - Added
4.184.12.128/27 - Added
4.184.12.176/28 - Added
4.184.12.192/26
- Removed
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AzureCloud.germanywcChanged tag · publication 424 → 425
Addresses−96 IPv4 addresses
Prefixes+29−2
- Removed
4.182.0.0/16 - Removed
48.203.0.0/16 - Added
4.182.0.0/17 - Added
4.182.128.0/21 - Added
4.182.136.0/22 - Added
4.182.140.0/24
- Removed
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AzureCloud.indonesiacentralChanged tag · publication 424 → 425
Addresses−1 IPv6 range
Prefixes+72−1
- Removed
2603:1040:1802::/47 - Added
2603:1040:1802:1000::/52 - Added
2603:1040:1802:100::/56 - Added
2603:1040:1802:10::/60 - Added
2603:1040:1802:2000::/51 - Added
2603:1040:1802:200::/55
- Removed
Services
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