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Prefix workbench 200 matches Preview loaded: 200 of 1,001 prefixes.
Load all prefixes Copy Matches Download TXT Download JSON Download CSV IPv4 prefixes 100 matches 104.208.0.0/19 104.208.32.0/20 104.43.128.0/17 104.44.88.160/27 104.44.91.160/27 104.44.92.224/27 104.44.94.80/28 128.203.128.0/17 13.104.147.128/25 13.104.219.128/25 13.105.101.48/28 13.105.101.64/26 13.105.17.192/26 13.105.24.0/24 13.105.37.0/26 13.105.53.192/26 13.105.98.160/27 13.105.98.192/28 13.105.98.224/27 13.67.128.0/20 13.67.144.0/21 13.67.152.0/24 13.67.153.0/28 13.67.153.128/25 13.67.153.32/27 13.67.153.64/26 13.67.155.0/24 13.67.156.0/22 13.67.160.0/19 13.67.192.0/18 13.86.0.0/17 13.89.0.0/16 130.131.128.0/17 131.253.36.224/27 132.196.0.0/17 135.119.0.0/17 135.130.104.0/23 135.130.186.0/23 135.130.25.128/25 135.130.28.0/22 135.130.32.0/23 135.130.34.0/25 135.130.34.128/26 135.130.70.0/23 135.233.0.0/17 145.190.0.0/23 145.190.145.0/24 145.190.171.0/24 145.190.178.0/24 145.190.185.0/24 145.190.2.0/24 145.190.79.0/24 145.190.80.0/24 145.190.82.0/24 151.206.161.0/24 151.206.187.0/24 151.206.85.0/24 151.206.86.0/24 151.206.98.0/23 157.55.108.0/23 168.61.128.0/25 168.61.128.128/28 168.61.128.160/27 168.61.128.192/26 168.61.129.0/25 168.61.129.128/26 168.61.129.208/28 168.61.129.224/27 168.61.130.128/25 168.61.130.64/26 168.61.131.0/26 168.61.131.128/25 168.61.132.0/26 168.61.144.0/20 168.61.160.0/19 168.61.208.0/20 172.168.0.0/15 172.170.0.0/16 172.171.0.0/19 172.173.64.0/18 172.173.8.0/21 172.202.0.0/17 172.212.128.0/17 193.149.72.0/21 20.106.0.0/18 20.109.192.0/18 20.112.192.0/18 20.118.0.0/18 20.118.192.0/18 20.12.128.0/17 20.135.0.0/22 20.135.188.0/22 20.135.192.0/23 20.136.3.128/25 20.136.5.0/24 20.143.126.0/23 20.143.164.0/23 20.143.182.0/23 20.143.4.0/24 20.143.68.0/22
IPv6 prefixes 100 matches 2603:1030::/45 2603:1030:10::/47 2603:1030:13::/56 2603:1030:13:200::/62 2603:1030:14::/49 2603:1030:9:10::/62 2603:1030:9:100::/64 2603:1030:9:104::/62 2603:1030:9:108::/61 2603:1030:9:111::/64 2603:1030:9:112::/63 2603:1030:9:114::/63 2603:1030:9:116::/64 2603:1030:9:118::/61 2603:1030:9:120::/61 2603:1030:9:128::/62 2603:1030:9:12f::/64 2603:1030:9:130::/60 2603:1030:9:14::/63 2603:1030:9:140::/59 2603:1030:9:160::/61 2603:1030:9:168::/62 2603:1030:9:16f::/64 2603:1030:9:17::/64 2603:1030:9:170::/60 2603:1030:9:18::/61 2603:1030:9:180::/61 2603:1030:9:18a::/64 2603:1030:9:18c::/62 2603:1030:9:190::/60 2603:1030:9:1a0::/59 2603:1030:9:1c0::/60 2603:1030:9:1d0::/62 2603:1030:9:1d4::/63 2603:1030:9:1d6::/64 2603:1030:9:1d8::/64 2603:1030:9:1db::/64 2603:1030:9:1dc::/62 2603:1030:9:1e0::/59 2603:1030:9:2::/63 2603:1030:9:20::/63 2603:1030:9:200::/57 2603:1030:9:27::/64 2603:1030:9:28::/61 2603:1030:9:280::/61 2603:1030:9:288::/62 2603:1030:9:28d::/64 2603:1030:9:28e::/63 2603:1030:9:290::/61 2603:1030:9:298::/62 2603:1030:9:29c::/63 2603:1030:9:29e::/64 2603:1030:9:2a0::/64 2603:1030:9:2a4::/64 2603:1030:9:2a8::/61 2603:1030:9:2b0::/60 2603:1030:9:2c0::/63 2603:1030:9:2c2::/64 2603:1030:9:2c4::/62 2603:1030:9:2ca::/63 2603:1030:9:2cc::/63 2603:1030:9:2d4::/62 2603:1030:9:2d8::/63 2603:1030:9:2de::/63 2603:1030:9:2e0::/63 2603:1030:9:2e8::/61 2603:1030:9:2f0::/60 2603:1030:9:30::/60 2603:1030:9:300::/60 2603:1030:9:310::/62 2603:1030:9:314::/64 2603:1030:9:319::/64 2603:1030:9:31a::/63 2603:1030:9:31c::/62 2603:1030:9:320::/62 2603:1030:9:324::/63 2603:1030:9:328::/63 2603:1030:9:32a::/64 2603:1030:9:331::/64 2603:1030:9:332::/63 2603:1030:9:334::/64 2603:1030:9:338::/62 2603:1030:9:33c::/64 2603:1030:9:34b::/64 2603:1030:9:34c::/62 2603:1030:9:350::/64 2603:1030:9:352::/63 2603:1030:9:354::/62 2603:1030:9:358::/61 2603:1030:9:360::/61 2603:1030:9:368::/62 2603:1030:9:36e::/64 2603:1030:9:370::/61 2603:1030:9:378::/62 2603:1030:9:37c::/64 2603:1030:9:37e::/63 2603:1030:9:380::/59 2603:1030:9:3a0::/60 2603:1030:9:3b0::/61 2603:1030:9:3b8::/63
Additional resources Use these resources to maintain network rules, understand service tags, and automate updates.
Maintain network rules Review the latest Azure IP ranges before updating firewalls, proxies, and routing rules.
Review Azure IP ranges Understand service tags Learn how service tags can simplify network rules and where additional controls still matter.
Learn about service tags Automate updates Keep dependent network configurations aligned as Azure service tag ranges change.
Explore automation options Frequently asked questions Where do these IP ranges come from, and how often are they updated? This page uses Microsoft Azure Service Tags data. Microsoft normally publishes downloadable service-tag files weekly. Review the official download when you need the latest published ranges.