Azure uksouth IP ranges

Microsoft Azure region

The Microsoft Azure region uksouth uses 903 IPv4 and 384 IPv6 blocks, covering about 1.7 million unique IPv4 addresses. It is one of 78 Azure regions with published address ranges.

IPv4 blocks: 903
IPv6 blocks: 384
Unique IPv4 addresses: 1,708,271

Range data updated 2026-11-07

uksouth address prefixes

The first 1,000 of 1,287 prefixes are listed.

4.158.0.0/17
4.158.105.106/32
4.158.106.101/32
4.158.106.183/32
4.158.128.0/23
4.158.130.0/25
4.158.130.8/30
4.158.130.96/27
4.158.130.128/26
4.158.130.208/28
4.158.130.224/27
4.158.131.0/24
4.158.131.160/27
4.158.131.192/26
4.158.132.0/22
4.158.136.0/21
4.158.138.59/32
4.158.144.0/20
4.158.160.0/20
4.158.176.0/22
4.158.177.64/27
4.158.180.0/24
4.158.180.88/29
4.158.181.0/26
4.158.181.64/28
4.158.181.80/31
4.158.181.84/30
4.158.181.88/29
4.158.181.96/27
4.158.181.128/25
4.158.182.0/23
4.158.184.0/21
4.158.192.0/18
4.159.0.0/16
4.159.24.241/32
4.159.24.255/32
4.159.25.35/32
4.159.25.50/32
4.159.25.103/32
4.159.26.77/32
4.159.26.128/32
4.159.26.151/32
4.159.26.160/32
4.159.57.40/32
4.159.59.13/32
4.159.59.140/32
4.159.59.224/32
4.159.219.204/30
4.159.219.208/29
4.159.219.224/27
4.159.235.208/28
4.159.236.184/29
4.234.0.0/16
4.234.118.145/32
4.234.119.52/32
4.234.119.55/32
4.234.119.56/32
4.234.119.68/32
4.234.119.72/32
4.234.119.75/32
4.234.119.89/32
4.234.119.90/32
4.234.119.93/32
4.234.119.94/32
4.234.119.96/32
4.234.119.108/32
4.234.119.121/32
4.234.119.123/32
4.234.119.124/32
4.234.119.126/32
4.234.146.138/31
4.234.146.142/32
4.234.207.171/32
4.234.207.176/32
4.234.207.186/32
4.234.207.189/32
4.234.207.193/32
4.234.207.195/32
4.234.207.199/32
4.234.207.201/32
4.234.207.203/32
4.234.207.209/32
4.234.207.219/32
4.234.207.224/32
4.234.207.226/32
4.250.0.0/20
4.250.1.26/31
4.250.1.104/29
4.250.16.0/24
4.250.17.0/26
4.250.17.128/27
4.250.17.168/29
4.250.17.176/28
4.250.17.192/26
4.250.18.0/23
4.250.20.0/22
4.250.24.0/21
4.250.32.0/21
4.250.40.0/22
4.250.44.0/23
4.250.46.0/26
4.250.46.64/27
4.250.46.96/28
4.250.46.128/25
4.250.47.0/24
4.250.48.0/20
4.250.49.230/32
4.250.51.127/32
4.250.53.153/32
4.250.55.134/32
4.250.55.217/32
4.250.64.0/18
4.250.82.111/32
4.250.87.43/32
4.250.128.0/17
4.250.138.232/32
4.250.138.235/32
4.250.138.249/32
4.250.139.28/32
4.250.139.146/32
4.250.139.205/32
4.250.139.207/32
4.250.139.216/32
4.250.139.248/32
4.250.140.0/32
4.250.140.17/32
4.250.140.73/32
4.250.140.125/32
4.250.140.167/32
4.250.140.169/32
4.250.140.178/32
4.250.140.231/32
4.250.140.235/32
4.250.140.252/32
4.250.140.254/32
4.250.141.57/32
4.250.141.61/32
4.250.141.72/32
4.250.141.90/32
4.250.141.94/32
4.250.141.110/32
9.129.52.192/26
9.129.55.0/27
9.129.58.16/28
9.129.64.128/26
9.129.234.0/25
9.129.247.0/27
9.129.248.32/28
13.87.64.0/19
13.87.96.0/20
13.104.129.128/26
13.104.145.160/27
13.104.146.64/26
13.104.159.0/25
20.0.0.0/16
20.0.210.84/32
20.26.0.0/16
20.26.13.151/32
20.26.15.70/32
20.26.18.114/31
20.26.18.120/30
20.26.20.64/28
20.26.21.128/26
20.26.23.0/25
20.33.24.0/24
20.33.34.0/24
20.33.62.0/24
20.33.91.0/24
20.33.108.0/24
20.33.148.0/24
20.33.168.0/24
20.33.234.0/24
20.38.106.0/23
20.39.208.0/20
20.39.224.0/21
20.47.11.0/24
20.47.34.0/24
20.47.68.0/24
20.47.114.0/24
20.49.128.0/17
20.49.145.249/32
20.49.154.244/32
20.49.166.40/32
20.49.166.118/32
20.49.166.129/32
20.49.244.238/32
20.49.248.209/32
20.49.249.56/32
20.49.249.78/32
20.49.249.101/32
20.49.249.106/32
20.49.249.156/32
20.49.249.189/32
20.49.249.208/32
20.49.249.236/32
20.49.250.2/32
20.50.96.0/19
20.58.0.0/18
20.60.17.0/24
20.60.166.0/23
20.68.0.0/18
20.68.128.0/17
20.77.0.0/17
20.77.128.0/18
20.90.64.0/18
20.90.124.134/32
20.90.125.211/32
20.90.128.0/17
20.90.128.128/26
20.90.128.192/26
20.90.129.0/27
20.90.129.32/28
20.90.129.128/25
20.90.130.0/24
20.90.131.0/26
20.90.131.64/27
20.90.131.114/31
20.90.131.116/30
20.90.131.120/29
20.90.132.64/28
20.90.132.96/28
20.90.132.160/28
20.90.132.224/27
20.90.133.0/24
20.90.134.0/23
20.90.169.112/32
20.90.204.188/32
20.90.204.228/32
20.90.204.232/32
20.90.223.4/32
20.90.240.169/32
20.95.67.0/24
20.95.71.0/24
20.95.74.0/23
20.95.82.0/23
20.95.84.0/24
20.95.99.0/24
20.95.100.0/23
20.95.105.0/24
20.108.0.0/16
20.108.81.107/32
20.108.102.123/32
20.108.102.142/32
20.108.102.180/32
20.108.146.132/32
20.108.148.173/32
20.108.151.45/32
20.117.64.0/18
20.117.128.0/17
20.117.192.168/29
20.117.192.176/28
20.117.192.192/29
20.117.192.204/30
20.117.192.224/29
20.117.193.34/31
20.117.193.48/29
20.117.193.60/30
20.117.193.176/29
20.117.193.184/29
20.135.176.0/22
20.135.180.0/23
20.143.200.0/23
20.150.18.0/25
20.150.40.0/25
20.150.41.0/24
20.150.69.0/24
20.152.70.0/23
20.152.72.0/23
20.152.118.0/23
20.153.83.0/24
20.153.215.0/24
20.153.216.0/22
20.153.220.0/23
20.153.244.0/22
20.153.248.0/23
20.153.250.0/24
20.157.28.0/24
20.157.112.0/24
20.157.120.0/24
20.157.157.0/24
20.157.182.0/24
20.157.246.0/24
20.162.128.0/17
20.190.143.0/25
20.190.169.0/24
20.202.4.0/24
20.209.6.0/23
20.209.30.0/23
20.209.88.0/23
20.209.128.0/23
20.209.158.0/23
20.209.240.0/23
20.254.0.0/17
20.254.10.157/32
40.64.144.200/29
40.64.145.16/28
40.64.148.64/27
40.64.171.0/25
40.79.215.0/24
40.80.0.0/22
40.81.128.0/19
40.81.152.126/32
40.81.152.171/32
40.81.152.172/32
40.81.154.254/32
40.81.156.153/32
40.81.156.154/31
40.81.156.156/32
40.81.159.35/32
40.81.159.77/32
40.90.17.32/27
40.90.17.160/27
40.90.29.192/26
40.90.128.112/28
40.90.128.160/28
40.90.131.64/27
40.90.139.64/27
40.90.141.192/26
40.90.153.64/27
40.90.154.0/26
40.93.67.0/24
40.101.22.64/26
40.101.22.128/26
40.101.57.192/26
40.101.58.0/25
40.120.32.0/19
40.120.136.0/22
40.126.15.0/25
40.126.41.0/24
48.205.144.0/24
48.205.181.0/24
48.205.195.0/24
48.205.203.0/24
48.205.208.0/24
48.205.210.0/24
48.205.212.0/24
48.205.214.0/24
48.208.43.0/24
48.212.8.0/24
48.212.136.0/24
48.213.8.0/24
51.5.4.0/23
51.5.6.0/24
51.11.0.0/18
51.11.24.49/32
51.11.24.198/32
51.11.25.68/32
51.11.25.172/32
51.11.26.92/32
51.11.26.95/32
51.11.26.192/26
51.11.128.0/18
51.11.169.104/32
51.11.172.30/32
51.11.172.56/32
51.11.172.160/32
51.104.0.0/19
51.104.8.64/27
51.104.8.96/29
51.104.8.104/29
51.104.8.112/28
51.104.8.224/28
51.104.8.248/30
51.104.9.16/28
51.104.9.32/28
51.104.9.64/27
51.104.9.100/30
51.104.9.112/28
51.104.9.128/25
51.104.10.0/26
51.104.10.114/31
51.104.15.254/32
51.104.15.255/32
51.104.24.64/30
51.104.24.68/31
51.104.24.70/31
51.104.24.72/29
51.104.24.96/28
51.104.24.128/25
51.104.25.0/26
51.104.25.64/26
51.104.25.140/31
51.104.25.142/31
51.104.25.152/30
51.104.25.160/28
51.104.25.176/28
51.104.25.192/29
51.104.25.208/28
51.104.25.224/29
51.104.26.0/24
51.104.27.0/26
51.104.27.96/27
51.104.27.128/25
51.104.28.0/27
51.104.28.64/26
51.104.28.216/30
51.104.28.220/30
51.104.28.224/28
51.104.29.192/28
51.104.29.216/29
51.104.30.0/25
51.104.30.128/27
51.104.30.160/29
51.104.30.168/32
51.104.30.172/30
51.104.30.176/28
51.104.30.192/26
51.104.31.0/27
51.104.31.32/28
51.104.31.48/29
51.104.31.56/29
51.104.31.64/26
51.104.31.128/27
51.104.31.172/30
51.104.192.0/18
51.104.248.11/32
51.104.252.13/32
51.104.255.249/32
51.105.0.0/18
51.105.10.109/32
51.105.10.136/32
51.105.37.244/32
51.105.55.62/32
51.105.64.0/20
51.105.64.0/27
51.105.64.32/29
51.105.65.0/27
51.105.66.0/26
51.105.66.64/26
51.105.66.128/29
51.105.66.136/29
51.105.66.144/29
51.105.66.152/29
51.105.66.160/27
51.105.66.224/27
51.105.67.16/28
51.105.67.32/27
51.105.67.64/26
51.105.67.160/29
51.105.67.224/28
51.105.67.240/28
51.105.69.0/27
51.105.69.84/30
51.105.69.96/27
51.105.69.128/25
51.105.70.0/25
51.105.70.128/27
51.105.70.192/26
51.105.71.0/26
51.105.71.144/31
51.105.71.160/30
51.105.71.168/29
51.105.71.192/26
51.105.72.0/27
51.105.72.32/29
51.105.73.0/27
51.105.74.0/26
51.105.74.64/26
51.105.74.128/29
51.105.74.136/29
51.105.74.144/29
51.105.74.152/29
51.105.74.160/27
51.105.74.224/27
51.105.75.0/27
51.105.75.64/26
51.105.75.128/28
51.105.75.144/29
51.105.75.176/28
51.105.75.192/27
51.105.75.240/28
51.105.77.50/31
51.105.77.52/30
51.105.77.56/30
51.105.77.64/28
51.105.77.96/27
51.105.77.128/25
51.105.78.0/23
51.132.0.0/18
51.132.128.0/17
51.132.161.160/28
51.132.161.225/32
51.132.170.64/28
51.132.192.0/25
51.132.192.128/26
51.132.192.192/26
51.132.193.64/27
51.132.193.96/29
51.132.193.122/31
51.132.193.128/26
51.132.211.6/32
51.132.211.28/32
51.132.213.122/32
51.132.215.124/32
51.132.215.162/32
51.132.215.182/32
51.140.0.0/17
51.140.1.10/32
51.140.6.23/32
51.140.8.108/32
51.140.8.180/32
51.140.16.16/28
51.140.16.32/28
51.140.35.95/32
51.140.37.241/32
51.140.47.39/32
51.140.52.16/32
51.140.52.106/32
51.140.54.208/32
51.140.57.176/32
51.140.59.233/32
51.140.60.235/32
51.140.61.124/32
51.140.69.144/32
51.140.74.150/32
51.140.75.147/32
51.140.77.9/32
51.140.77.227/32
51.140.78.213/32
51.140.80.51/32
51.140.84.145/32
51.140.84.251/32
51.140.85.106/32
51.140.87.39/32
51.140.99.233/32
51.140.105.124/32
51.140.115.150/32
51.140.122.226/32
51.140.125.227/32
51.140.126.10/32
51.140.128.0/18
51.140.144.0/27
51.140.144.32/29
51.140.145.0/27
51.140.146.0/27
51.140.146.32/28
51.140.146.48/29
51.140.146.56/30
51.140.146.60/31
51.140.146.64/26
51.140.146.128/26
51.140.146.192/29
51.140.146.200/29
51.140.146.208/28
51.140.147.0/24
51.140.148.0/28
51.140.148.16/29
51.140.148.24/29
51.140.148.48/28
51.140.148.64/26
51.140.148.128/27
51.140.148.160/27
51.140.149.0/28
51.140.149.24/29
51.140.149.32/27
51.140.149.64/28
51.140.149.84/30
51.140.149.96/27
51.140.149.128/26
51.140.149.192/26
51.140.151.64/26
51.140.151.128/27
51.140.151.160/29
51.140.151.168/30
51.140.152.61/32
51.140.152.154/32
51.140.152.186/32
51.140.153.150/32
51.140.163.207/32
51.140.164.179/32
51.140.168.64/27
51.140.168.112/28
51.140.168.128/28
51.140.180.52/32
51.140.180.76/32
51.140.181.40/32
51.140.184.11/32
51.140.184.27/32
51.140.184.59/32
51.140.184.61/32
51.140.184.63/32
51.140.185.75/32
51.140.185.151/32
51.140.191.146/32
51.140.191.223/32
51.141.128.32/27
51.141.129.64/26
51.141.130.0/25
51.141.135.0/24
51.141.192.0/18
51.142.0.0/19
51.142.64.0/18
51.142.123.241/32
51.142.192.0/18
51.142.209.113/32
51.143.128.0/17
51.143.165.22/32
51.143.191.44/32
51.143.208.0/26
51.143.208.192/29
51.143.208.208/29
51.143.208.216/29
51.143.208.224/27
51.143.209.96/27
51.143.209.132/30
51.143.209.224/27
51.143.210.0/23
51.143.212.0/27
51.143.212.64/26
51.143.212.128/27
51.143.212.184/29
51.143.212.192/26
51.143.213.0/25
51.143.213.192/30
51.143.214.32/28
51.145.0.0/17
51.145.44.242/32
51.145.56.125/32
51.145.104.29/32
51.145.108.227/32
51.145.108.250/32
51.145.113.171/32
52.101.88.0/23
52.101.95.0/24
52.101.96.0/23
52.101.196.0/24
52.102.164.0/24
52.103.37.0/24
52.103.165.0/24
52.106.136.0/24
52.106.186.224/27
52.108.50.0/23
52.108.88.0/24
52.108.99.0/24
52.108.100.0/23
52.109.28.0/22
52.111.242.0/24
52.112.231.0/24
52.113.128.0/24
52.113.204.0/24
52.113.224.0/19
52.114.88.0/22
52.120.160.0/19
52.123.141.0/24
52.123.142.0/23
52.136.21.0/24
52.151.64.0/18
52.151.78.51/32
52.151.111.249/32
52.239.187.0/25
52.239.231.0/24
52.245.64.0/22
52.253.162.0/23
57.150.236.0/23
57.157.40.0/24
57.157.41.0/26
57.157.41.64/28
57.157.41.80/29
57.157.41.88/30
57.157.41.92/31
57.163.64.0/23
57.171.123.0/24
70.152.33.0/24
70.152.237.0/24
70.152.238.0/23
74.177.0.0/18
74.177.71.0/24
74.177.72.0/24
74.177.72.32/28
74.177.80.0/24
74.177.80.160/27
74.177.81.0/29
74.177.81.8/31
74.177.81.12/30
74.177.81.16/32
74.177.81.20/30
74.177.81.24/29
74.177.81.32/27
74.177.81.64/26
74.177.81.128/25
74.177.82.0/23
74.177.84.0/22
74.177.88.0/21
74.177.96.0/19
74.177.105.18/32
74.177.105.32/27
74.177.108.64/26
74.177.128.0/17
74.177.248.224/27
74.177.250.0/23
74.177.252.0/24
74.177.253.0/25
85.210.0.0/17
85.210.34.209/32
85.210.36.40/32
85.210.65.206/32
85.210.66.97/32
85.210.104.0/24
85.210.105.0/26
85.210.105.64/28
85.210.105.80/29
85.210.105.88/30
85.210.105.96/28
85.210.105.128/25
85.210.106.64/26
85.210.106.128/25
85.210.107.0/24
85.210.110.0/26
85.210.110.78/31
85.210.120.102/32
85.210.128.0/18
85.210.163.36/32
85.210.192.0/22
85.210.193.192/27
85.210.193.224/27
85.210.194.0/23
85.210.196.0/25
85.210.196.128/27
85.210.196.176/28
85.210.196.192/26
85.210.196.208/28
85.210.196.224/27
85.210.197.0/24
85.210.197.0/25
85.210.198.0/23
85.210.200.0/21
85.210.208.0/20
85.210.224.0/23
85.210.225.0/24
85.210.226.0/27
85.210.226.32/29
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2603:1020:705:6:0:2000::/83

Using these ranges

Region prefix lists are used to allowlist traffic from workloads in uksouth, to route or geofence by cloud region, and to recognise Azure infrastructure in logs. Prefixes move between regions and services over time, so refresh any allowlist regularly rather than hard-coding it. An address inside these ranges tells you which network hosts it, not who is renting it; check each address's profile for risk evidence.

Azure ranges are shared between customer workloads and Microsoft-operated services. An address in a regional compute range is usually a customer virtual machine; Microsoft's own crawlers and mail systems have separate, verifiable identities.

Other Azure regions

australiacentral317 blocks
australiacentral2281 blocks
australiaeast892 blocks
australiasoutheast800 blocks
austriaeast283 blocks
belgiumcentral247 blocks
brazilne4 blocks
brazilse346 blocks
brazilsouth745 blocks
canadacentral823 blocks
canadaeast582 blocks
centralfrance794 blocks
centralindia776 blocks
centralus1,749 blocks
centraluseuap684 blocks
chilec291 blocks
denmarkeast317 blocks
eastasia796 blocks
eastus2,095 blocks
eastus22,512 blocks
eastus2euap1,093 blocks
eastus3278 blocks
germanyn407 blocks
germanywc638 blocks
indiasouthcentral202 blocks
indonesiacentral402 blocks
israelcentral384 blocks
israelnorthwest275 blocks
italynorth429 blocks
japaneast814 blocks
japanwest670 blocks
jioindiacentral250 blocks
jioindiawest358 blocks
koreacentral657 blocks
koreasouth425 blocks
malaysiasouth368 blocks
malaysiawest313 blocks
mexicocentral332 blocks
newzealandnorth339 blocks
northcentralus852 blocks
northeastus5156 blocks
northeurope1,683 blocks
northeurope210 blocks
norwaye544 blocks
norwayw378 blocks
polandcentral423 blocks
qatarcentral402 blocks
southafricanorth588 blocks
southafricawest381 blocks
southcentralus1,573 blocks
southcentralus2164 blocks
southeastasia1,043 blocks
southeastasia3165 blocks
southeastus169 blocks
southeastus3161 blocks
southeastus5168 blocks
southfrance415 blocks
southindia510 blocks
southwestus164 blocks
spaincentral370 blocks

All Microsoft Azure IP ranges · All providers · IP address lookup