Microsoft Corporation operates AS8075: 1,148 IPv4 prefixes covering 80,738,304 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #5 worldwide and #4 of 18,202 networks in United States. That is 5.5% of the country’s IPv4 space.
The network spreads across six or more countries: United States 48%, United Kingdom 31%, Netherlands 9.7%.
The largest block is 48.160.0.0 to 48.255.255.255 with 6,291,456 addresses, geolocated to London.
Websites found on this network include microsoft.com, azure.com, bing.com.
- IPv4 addresses
- 80,738,304
- IPv4 prefixes
- 1,148
- World rank
- #5
- Country share
- 5.5%
- IPv6 ranges
- 90
Addresses by country
- United States 48%
United Kingdom 31%
Netherlands 9.7%
Ireland 4.0%
Australia 3.8%
Japan 3.3%
Largest blocks
- 48.160.0.0 London6,291,456
- 20.47.128.0 Ashburn5,275,648
- 20.184.0.0 Singapore4,718,592
- 4.144.0.0 Hong Kong4,585,216
- 172.128.0.0 Hyderabad4,194,560
- 52.146.0.0 Dulles3,014,656
- 4.213.248.0 Pune2,754,560
- 107.32.0.0 San Jose2,097,152
Websites seen on this network
Networks of similar size
- AS749 United States Department of Defense (DoD)205,760,000
- AS16509 Amazon.com, Inc.156,962,048
- AS4134 Chinanet
97,428,714 - AS7018 AT&T Enterprises, LLC89,915,584
- AS7922 Comcast Cable Communications, LLC67,778,304
- AS4837 CHINA UNICOM China169 Backbone56,900,772
- AS4766 Korea Telecom
46,345,056 - AS701 Verizon Business40,580,064
IPv4 prefixes
- 1.186.0.0/17
- 1.186.128.0/18
- 1.186.192.0/19
- 1.186.224.0/20
- 1.186.240.0/21
- 1.186.248.0/22
- 1.186.252.0/23
- 1.186.255.0/24
- 2.58.103.0/24
- 4.144.0.0/12
- 4.160.0.0/11
- 4.192.0.0/12
- 4.208.0.0/14
- 4.212.0.0/16
- 4.213.0.0/17
- 4.213.128.0/18
- 4.213.192.0/19
- 4.213.224.0/20
- 4.213.240.0/22
- 4.213.244.0/23
- 4.213.246.0/24
- 4.213.248.0/21
- 4.214.0.0/15
- 4.216.0.0/13
- 4.224.0.0/11
- 5.23.34.0/24
- 9.129.0.0/16
- 9.130.0.0/15
- 9.132.0.0/15
- 9.135.0.0/16
- 9.136.0.0/16
- 9.140.0.0/15
- 9.143.0.0/16
- 9.145.0.0/16
- 9.146.0.0/16
- 9.149.0.0/16
- 9.157.0.0/16
- 9.158.0.0/15
- 9.160.0.0/16
- 9.163.0.0/16
- 9.164.0.0/16
- 9.166.0.0/15
- 9.169.0.0/16
- 9.173.0.0/16
- 9.177.0.0/16
- 9.185.0.0/16
- 9.190.0.0/16
- 9.192.0.0/15
- 9.198.0.0/16
- 9.205.0.0/16
- 9.220.0.0/16
- 9.223.0.0/16
- 9.228.0.0/15
- 9.231.0.0/16
- 9.234.0.0/15
- 9.248.0.0/16
- 13.64.0.0/11
- 13.104.0.0/18
- 13.104.64.0/20
- 13.104.80.0/23
- 13.104.83.0/24
- 13.104.84.0/22
- 13.104.88.0/21
- 13.104.96.0/19
- 13.104.128.0/17
- 13.105.0.0/16
- 13.106.0.0/16
- 13.107.0.0/23
- 13.107.2.0/24
- 13.107.8.0/24
- 13.107.10.0/23
- 13.107.14.0/24
- 13.107.17.0/24
- 13.107.20.0/24
- 13.107.23.0/24
- 13.107.24.0/21
- 13.107.32.0/22
- 13.107.36.0/23
- 13.107.38.0/24
- 13.107.41.0/24
- 13.107.44.0/22
- 13.107.53.0/24
- 13.107.55.0/24
- 13.107.57.0/24
- 13.107.58.0/23
- 13.107.60.0/22
- 13.107.64.0/18
- 13.107.130.0/23
- 13.107.132.0/22
- 13.107.136.0/22
- 13.107.141.0/24
- 13.107.142.0/23
- 13.107.144.0/20
- 13.107.160.0/19
- 13.107.192.0/19
- 13.107.224.0/20
- 13.107.240.0/21
- 13.107.248.0/22
- 13.107.252.0/23
- 13.107.255.0/24
- 13.117.0.0/16
- 13.118.0.0/15
- 13.123.0.0/16
- 13.240.0.0/14
- 13.254.0.0/24
- 13.254.4.0/24
- 20.0.0.0/11
- 20.33.82.0/24
- 20.33.139.0/24
- 20.33.142.0/24
- 20.33.146.0/24
- 20.33.170.0/24
- 20.33.172.0/24
- 20.33.175.0/24
- 20.33.176.0/24
- 20.33.193.0/24
- 20.33.195.0/24
- 20.33.203.0/24
- 20.33.204.0/24
- 20.36.0.0/15
- 20.38.0.0/16
- 20.39.0.0/19
- 20.39.32.0/20
- 20.39.48.0/21
- 20.39.56.0/23
- 20.39.60.0/22
- 20.39.64.0/18
- 20.39.128.0/17
- 20.40.0.0/14
- 20.44.0.0/15
- 20.46.0.0/16
- 20.47.35.0/24
- 20.47.36.0/24
- 20.47.38.0/24
- 20.47.74.0/23
- 20.47.128.0/17
- 20.48.0.0/12
- 20.64.0.0/10
- 20.135.0.0/16
- 20.136.0.0/17
- 20.143.0.0/16
- 20.150.0.0/15
- 20.152.0.0/16
- 20.153.6.0/23
- 20.153.9.0/24
- 20.153.10.0/24
- 20.153.16.0/24
- 20.153.20.0/24
- 20.153.23.0/24
- 20.153.26.0/24
- 20.153.30.0/24
- 20.153.33.0/24
- 20.153.38.0/24
- 20.153.42.0/23
- 20.153.44.0/23
- 20.153.46.0/24
- 20.153.52.0/23
- 20.153.54.0/24
- 20.153.56.0/24
- 20.153.59.0/24
- 20.153.62.0/24
- 20.153.66.0/23
- 20.153.68.0/22
- 20.153.72.0/21
- 20.153.80.0/23
- 20.153.82.0/24
- 20.153.91.0/24
- 20.153.92.0/23
- 20.153.94.0/24
- 20.153.96.0/24
- 20.153.101.0/24
- 20.153.109.0/24
- 20.153.111.0/24
- 20.153.112.0/24
- 20.153.114.0/23
- 20.153.120.0/23
- 20.153.123.0/24
- 20.153.153.0/24
- 20.157.0.0/23
- 20.157.45.0/24
- 20.157.74.0/24
- 20.157.101.0/24
- 20.157.131.0/24
- 20.157.136.0/24
- 20.157.138.0/24
- 20.157.141.0/24
- 20.157.154.0/24
- 20.157.156.0/24
- 20.157.188.0/23
- 20.157.190.0/24
- 20.157.207.0/24
- 20.157.228.0/24
- 20.157.254.0/24
- 20.160.0.0/12
- 20.184.0.0/13
- 20.192.0.0/10
- 23.96.0.0/14
- 23.100.0.0/15
- 23.102.0.0/16
- 23.103.64.0/18
- 23.103.128.0/17
- 31.56.106.0/24
- 31.80.0.0/13
- 31.207.2.0/23
- 37.228.121.0/24
- 37.228.126.0/24
- 40.33.0.0/16
- 40.34.0.0/16
- 40.47.0.0/16
- 40.64.0.0/16
- 40.65.0.0/18
- 40.65.64.0/23
- 40.65.66.0/24
- 40.65.68.0/22
- 40.65.72.0/21
- 40.65.80.0/20
- 40.65.96.0/19
- 40.65.128.0/17
- 40.66.0.0/15
- 40.68.0.0/14
- 40.74.0.0/15
- 40.76.0.0/14
- 40.80.0.0/18
- 40.80.64.0/22
- 40.80.68.0/23
- 40.80.70.0/24
- 40.80.72.0/21
- 40.80.80.0/20
- 40.80.96.0/19
- 40.80.128.0/17
- 40.81.0.0/16
- 40.82.0.0/15
- 40.84.0.0/15
- 40.86.0.0/16
- 40.87.0.0/19
- 40.87.32.0/22
- 40.87.36.0/23
- 40.87.38.0/24
- 40.87.40.0/21
- 40.87.48.0/20
- 40.87.64.0/18
- 40.87.128.0/17
- 40.88.0.0/13
- 40.96.0.0/13
- 40.104.0.0/14
- 40.108.0.0/19
- 40.108.128.0/17
- 40.110.0.0/15
- 40.112.0.0/13
- 40.120.0.0/14
- 40.124.0.0/16
- 40.125.0.0/17
- 40.126.0.0/18
- 40.126.128.0/17
- 40.127.0.0/16
- 40.146.0.0/16
- 40.148.0.0/16
- 40.155.0.0/16
- 40.159.0.0/16
- 40.169.0.0/16
- 40.170.0.0/15
- 40.212.0.0/16
- 40.218.0.0/16
- 40.249.0.0/16
- 40.253.0.0/16
- 45.8.43.0/24
- 45.66.80.0/24
- 45.143.224.0/23
- 45.154.21.0/24
- 45.156.164.0/23
- 45.157.47.0/24
- 46.29.242.0/24
- 46.254.176.0/24
- 46.254.179.0/24
- 46.254.180.0/22
- 48.160.0.0/11
- 48.192.0.0/10
- 50.20.0.0/18
- 50.20.64.0/19
- 50.20.128.0/18
- 50.85.0.0/16
- 51.1.0.0/16
- 51.4.0.0/15
- 51.8.0.0/16
- 51.10.0.0/15
- 51.12.0.0/15
- 51.41.0.0/16
- 51.42.0.0/15
- 51.51.0.0/16
- 51.53.0.0/16
- 51.56.0.0/14
- 51.61.0.0/16
- 51.103.0.0/16
- 51.104.0.0/14
- 51.109.0.0/16
- 51.111.0.0/16
- 51.115.0.0/16
- 51.116.0.0/16
- 51.120.0.0/16
- 51.124.0.0/16
and 848 more prefixes
Questions and answers
Who owns AS8075?
Autonomous system AS8075 is operated by Microsoft Corporation.
How many IP addresses does AS8075 have?
The network holds 80,738,304 IPv4 addresses in 1,148 prefixes, plus 90 IPv6 ranges.
Which country is AS8075 in?
The main country is United States, with addresses in 5 more countries.
How big is AS8075?
By IPv4 addresses it ranks #5 worldwide.
What is the largest address block of AS8075?
48.160.0.0 to 48.255.255.255, 6,291,456 addresses.