Microsoft

Microsoft Corporation
Data as of 2026-09-06
GLEIF verified
Complete entity footprint
3 linked clusters · 64,790 netblocks · 86,842,881 IPv4 addresses · 18,004 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
967600DJA1Q8K13MZ845
Registered name
Microsoft
Jurisdiction
BE
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks64,788 · 86,842,881 IPv4 addresses
IPv6 18,004 prefixes (largest 2603:1000::/24)
Registered in United States (2,280) · United Kingdom (583) · Germany (26) · South Africa (17) · Netherlands (14) · New Zealand (9)
Also registered under this name 66,102 netblocks across 47 separate records
Record ID236104407
RegistryAFRINIC
Owner jurisdictionBE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 967600DJA1Q8K13MZ845
Shared handles clustered on 100 shared RIR contact/maintainer handles
Registry names 24 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (64,788)

showing 500 of 64,788 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
1.7.247.31/32 Microsoft PEERINGDB ASSIGNED ● high
1.7.247.188/32 Microsoft PEERINGDB ASSIGNED ● high
1.186.0.0/16 Microsoft Corporation BGP ANNOUNCED ● high
2.58.103.0/24 Microsoft Corporation BGP ANNOUNCED ● high
4.144.0.0/12 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.0.0/17 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.9.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.9.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.10.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.10.64/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.15.72/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.32.35/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.51.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.52.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.55.88/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.128.0/17 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.200.166/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.201.132/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.203.72/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.203.73/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.203.116/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.203.254/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.203.255/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.144.204.223/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.0.64/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.0.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.0.106/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.0.192/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.8.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.10.168/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.12.240/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.16.28/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.16.48/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.16.144/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.16.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.16.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.18.62/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.18.136/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.42/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.43/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.48/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.52/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.80/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.19.82/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.20.102/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.20.116/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.20.120/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.21.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.22.160/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.72.0/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.72.8/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.74.52/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.74.56/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.74.128/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.74.160/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.74.168/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.75.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.78.50/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.78.56/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.79.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.79.210/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.79.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.200.0/22 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.204.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.216.180/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.217.208/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.217.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.218.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.219.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.220.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.220.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.220.240/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.222.200/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.145.224.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.0.14/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.0.16/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.0.232/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.0.240/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.1.0/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.1.68/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.1.96/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.146.1.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.33.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.36.14/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.37.156/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.37.160/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.37.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.0/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.80/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.84/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.86/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.38.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.39.0/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.44.8/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.44.160/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.147.241.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.24.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.24.244/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.24.248/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.25.0/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.25.32/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.29.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.214.196/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.214.200/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.215.16/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.148.215.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.0.0/18 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.20.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.21.200/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.64.0/19 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.67.227/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.68.5/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.68.65/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.68.80/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.68.107/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.68.115/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.96.0/19 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.98.24/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.98.26/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.98.72/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.98.120/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.98.192/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.105.4/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.105.6/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.105.128/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.105.176/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.105.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.107.24/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.112.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.113.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.114.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.114.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.115.4/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.115.6/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.115.12/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.115.16/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.128.0/17 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.240.248/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.249.197/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.249.208/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.254.64/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.149.254.68/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.0.0/18 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.32.208/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.33.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.34.96/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.38/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.48/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.52/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.56/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.35.112/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.57.203/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.59.66/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.64.0/18 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.76.80/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.76.184/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.77.36/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.77.40/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.128.0/18 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.168.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.177.120/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.192.0/19 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.223.96/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.223.192/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.224.0/19 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.232.8/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.232.16/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.232.80/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.232.88/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.232.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.233.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.233.30/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.233.64/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.233.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.234.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.234.16/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.234.24/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.234.36/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.234.40/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.239.210/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.239.212/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.240.0/23 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.242.0/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.244.0/23 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.249.24/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.249.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.249.64/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.253.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.253.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.253.80/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.253.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.254.58/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.254.112/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.150.255.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.6.105/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.11.48/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.72.136/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.77.111/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.78.153/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.80.114/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.97.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.98.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.99.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.99.20/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.99.72/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.103.92/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.130.181/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.137.19/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.147.155/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.157.20/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.157.26/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.172.158/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.151.239.97/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.125.62/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.126.158/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.127.229/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.127.230/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.128.205/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.128.227/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.128.241/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.129.54/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.129.221/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.152.129.229/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.159.226/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.194.246/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.195.56/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.201.239/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.201.240/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.151/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.156/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.162/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.170/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.174/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.186/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.188/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.228/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.234/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.214.240/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.215.66/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.215.68/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.215.76/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.215.88/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.236.44/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.237.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.238.0/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.238.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.250.0/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.250.8/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.250.16/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.153.250.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.154.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.154.144.64/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.154.148.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.154.149.34/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.154.149.224/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.160.115/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.162.75/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.162.242/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.163.32/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.163.91/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.155.164.225/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.0.76/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.0.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.6.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.7.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.25.14/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.25.188/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.25.189/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.26.80/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.27.7/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.28.117/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.47/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.165/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.183/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.191/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.195/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.241.229/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.12/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.13/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.26/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.49/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.86/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.92/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.242.96/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.164/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.165/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.170/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.172/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.173/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.156.243.174/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.157.99.131/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.9.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.105.106/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.106.101/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.106.183/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.130.8/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.130.96/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.130.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.131.160/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.131.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.138.59/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.178.36/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.178.40/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.158.183.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.24.241/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.24.255/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.25.35/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.25.50/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.25.103/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.26.77/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.26.128/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.26.151/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.26.160/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.57.40/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.59.13/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.59.140/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.59.224/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.219.204/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.219.208/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.219.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.233.48/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.235.208/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.159.236.184/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.0.0/11 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.0.0/12 Microsoft Corporation BGP ANNOUNCED ● high
4.160.57.128/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.58.60/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.68.48/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.68.49/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.160.68.52/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.8.16/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.8.32/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.10.44/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.10.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.10.96/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.10.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.154/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.155/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.156/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.220/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.250/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.11.252/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.12.0/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.12.132/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.12.133/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.14.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.15.192/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.15.224/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.15.240/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.15.244/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.19.0/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.19.124/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.96/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.104/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.108/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.112/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.21.176/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.146.12/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.148.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.148.96/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.148.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.149.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.150.0/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.151.60/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.156.48/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.165.40/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.165.48/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.161.165.80/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.162.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.163.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.164.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.104.212/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.109.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.109.16/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.109.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.111.40/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.111.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.165.111.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.32.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.32.99/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.32.206/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.32/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.76/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.200/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.222/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.33.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.35.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.35.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.35.96/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.35.112/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.35.241/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.36.192/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.166.37.224/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.167.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.168.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.169.0.0/16 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.76/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.88/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.92/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.6.192/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.10.240/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.15.188/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.28.0/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.170.28.32/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.24.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.24.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.25.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.25.96/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.25.188/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.25.224/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.26.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.26.64/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.26.72/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.26.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.26.96/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.8/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.10/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.64/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.116/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.128/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.27.176/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.31.152/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.31.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.31.176/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.31.184/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.31.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.41.72/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.51.160/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.51.176/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.52.22/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.52.112/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.52.120/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.171.53.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.0.0/15 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.0.219/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.49.72/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.57.52/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.57.90/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.57.144/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.59.88/32 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.73.100/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.73.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.73.192/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.75.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.80.0/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.83.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.85.24/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.91.60/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.91.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.91.80/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.95.108/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.95.128/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.95.192/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.96.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.217.128/25 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.219.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.221.128/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.221.136/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.221.144/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.221.192/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.172.223.0/24 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.15.64/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.15.72/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.28.0/22 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.56.112/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.70.128/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.75.36/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.88.0/22 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.101.152/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.101.160/27 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.102.0/26 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.102.64/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.102.84/30 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.102.138/31 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.103.144/29 Microsoft Corporation MICROSOFT ANNOUNCED ● high
4.173.136.112/28 Microsoft Corporation MICROSOFT ANNOUNCED ● high

IPv6 ranges (18,004)

showing the 15 largest allocations
CIDR
2603:1000::/24
2603:1000::/25
2a00:1c68::/29
None
2404:f802::/31
2a01:110::/31
2001:4898::/32
2404:f800::/32
2404:f801::/32
2404:f802::/32
2404:f803::/32
2a01:110::/32
2a01:111::/32
2001:489a:2000::/35
2001:489a:4000::/35

Footprint over time

11 weekly snapshots · JSON
65,971 +2,910 netblocks since 2026-07-05
2026-07-05 peak 65,971 2026-09-06

Domains hosted in this network

what's this?
microsoft.com windows.com azure.com trafficmanager.net cloud.microsoft live.com azureedge.net dnv.com visma.com unisys.com azure.us usgovtrafficmanager.net azurefd.us microsoft.us ubuntu.com adobe.io azureedge.us powerapps.com office.com emspay.eu

Customer-delegated space

how is this classified?
Unclassified 65,223 (100.7%)
Operator infrastructure (named) 748 (1.2%)

Corporate group (3 confirmed entities)

+350 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: A how networks compare →
99.5% of checked blocks have valid RPKI ROA coverage (1,989 of 2,000, sampled from 65,971)
Possible discrepancies (2)

These blocks are registered to Microsoft Corporation but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:2a60::/48 /48 authorized for AS2856 — British Telecommunications Limited
62.132.26.0/23 /23 authorized for AS1136 — KPN B.V.

NIC Handles

AB242-AP ABUSE5675-ARIN ACHMEA-NOC-MNT AE131-AP ALL-MNT AM2589-AP AMENET-MNT AS1103-MNT AS12076 AS16509 AS17144 AS1849-MNT +88 more