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Organization

Microsoft Corporation

IPv4 addresses
82,654,464
CIDR ranges
1,629
Category
hosting
BGP prefixes announced
2,114

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Microsoft

Microsoft Corporation is an American multinational technology company headquartered in Redmond, Washington. The company became influential in the rise of personal computers through software like Windows and has since expanded into areas such as Internet services, cloud computing, artificial intelligence, video gaming, and more.

Founded
1975
Headquarters
Redmond
Industry
technology industry
Employees
221,000

Operates 5 networks present at 207 internet exchanges with a open peering policy.

Microsoft Corporation — global IP footprint

Cities where Microsoft Corporation has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Microsoft Corporation

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Microsoft Corporation

ASNNameIPsPrefixesCountry
AS8075 Microsoft Corporation 80.76M 1,270 US
AS8070 Microsoft Corporation 1.07M 28 US
AS3598 Microsoft Corporation 531.2K 27 US
AS8069 Microsoft Corporation 278.5K 253 US
AS8068 Microsoft Corporation 10.8K 30 US
AS12076 Microsoft Corporation 2.0K 1 US
AS54396 Microsoft Corporation 2.0K 1 US
AS46182 Microsoft Corporation 1.5K 3 US
AS17144 Microsoft Corporation 1.0K 4 US
AS30520 Microsoft Corporation 768 3 US
AS63314 Microsoft Corporation 768 2 US
AS5761 Microsoft Corporation 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
20.64.0.0/10 4.19M
0.1%
AS8075 US
20.192.0.0/10 4.19M
0.1%
AS8075 US California San Jose
48.192.0.0/10 4.19M
0.0%
AS8075 GB North Holland Amsterdam
172.128.0.0/10 4.19M
0.0%
AS8075 GB Iowa Des Moines
4.160.0.0/11 2.10M
0.0%
AS8075 US Ontario Toronto
4.224.0.0/11 2.10M
0.0%
AS8075 US Maharashtra Pune
13.64.0.0/11 2.10M
0.1%
AS8075 US Texas San Antonio
20.0.0.0/11 2.10M
0.1%
AS8075 US Virginia Boydton
48.160.0.0/11 2.10M
0.0%
AS8075 US
48.192.0.0/11 2.10M
0.0%
AS8075 GB North Holland Amsterdam
52.160.0.0/11 2.10M
0.1%
AS8075 US California San Jose
52.224.0.0/11 2.10M
0.1%
AS8075 US Virginia Washington
107.32.0.0/11 2.10M
0.0%
AS8075 GB
172.128.0.0/11 2.10M
0.0%
AS8075 GB
4.144.0.0/12 1.05M
0.0%
AS8075 US
4.192.0.0/12 1.05M
0.1%
AS8075 US
20.48.0.0/12 1.05M
0.3%
AS8075 US
20.160.0.0/12 1.05M
0.1%
AS8075 US
52.96.0.0/12 1.05M
4.5%
AS8075 US Wyoming Cheyenne
57.160.0.0/12 1.05M
0.0%
AS8075 GB
74.144.0.0/12 1.05M
0.0%
AS8075 GB
135.224.0.0/12 1.05M
0.1%
AS8075 GB Virginia Washington
172.176.0.0/12 1.05M
0.0%
AS8075 GB
4.216.0.0/13 524.3K
0.0%
AS8075 US
20.184.0.0/13 524.3K
0.1%
AS8075 US Virginia Washington
31.80.0.0/13 524.3K
0.0%
AS8075 GB
40.88.0.0/13 524.3K
11.9%
AS8075 US Virginia Dulles
40.96.0.0/13 524.3K
0.0%
AS8075 US
40.112.0.0/13 524.3K
0.1%
AS8075 US Illinois Chicago
52.136.0.0/13 524.3K
0.1%
AS8075 US California San Jose
52.152.0.0/13 524.3K
0.1%
AS8075 US Texas San Antonio
57.152.0.0/13 524.3K
0.0%
AS8075 GB
68.240.0.0/13 524.3K
0.0%
AS8075 GB
104.40.0.0/13 524.3K
5.6%
AS8075 US California San Jose
104.208.0.0/13 524.3K
0.3%
AS8075 US Texas San Antonio
145.176.0.0/13 524.3K
0.0%
AS8075 GB
172.160.0.0/13 524.3K
0.0%
AS8075 GB England London
172.200.0.0/13 524.3K
0.2%
AS8075 GB
172.208.0.0/13 524.3K
0.0%
AS8075 GB
191.232.0.0/13 524.3K
0.2%
AS8075 BR Virginia Dulles
4.208.0.0/14 262.1K
0.0%
AS8075 US
13.240.0.0/14 262.1K
0.0%
AS8075 GB
20.40.0.0/14 262.1K
0.2%
AS8075 US
23.96.0.0/14 262.1K
0.1%
AS8075 US
40.68.0.0/14 262.1K
0.2%
AS8075 US
40.76.0.0/14 262.1K
5.5%
AS8075 US Virginia Washington
40.104.0.0/14 262.1K
9.5%
AS8075 US
40.120.0.0/14 262.1K
0.1%
AS8075 US Virginia Dulles
51.56.0.0/14 262.1K
0.0%
AS8075 GB
51.104.0.0/14 262.1K
0.1%
AS8075 GB North Holland Amsterdam
51.140.0.0/14 262.1K
0.2%
AS8075 GB England London
52.148.0.0/14 262.1K
0.1%
AS8075 US Virginia Dulles
57.16.0.0/14 262.1K
0.0%
AS8070 GB
72.144.0.0/14 262.1K
0.0%
AS8075 US
72.152.0.0/14 262.1K
0.0%
AS8075 US Iowa Des Moines
74.160.0.0/14 262.1K
0.0%
AS8075 US
74.176.0.0/14 262.1K
0.0%
AS8075 US
74.224.0.0/14 262.1K
0.0%
AS8075 US
74.240.0.0/14 262.1K
0.0%
AS8075 US
98.64.0.0/14 262.1K
0.0%
AS8075 US
108.140.0.0/14 262.1K
0.1%
AS8075 US
135.4.0.0/14 262.1K
0.0%
AS8075 GB
135.232.0.0/14 262.1K
0.1%
AS8075 GB
145.184.0.0/14 262.1K
0.0%
AS8075 GB
172.172.0.0/14 262.1K
0.1%
AS8075 GB
172.196.0.0/14 262.1K
0.0%
AS8075 GB
4.214.0.0/15 131.1K
0.0%
AS8075 US
9.130.0.0/15 131.1K
0.0%
AS8075 US
9.132.0.0/15 131.1K
0.0%
AS8075 US
9.140.0.0/15 131.1K
0.0%
AS8075 GB Hesse Frankfurt am Main
9.158.0.0/15 131.1K
0.0%
AS8075 GB
9.166.0.0/15 131.1K
0.0%
AS8075 US
9.192.0.0/15 131.1K
0.0%
AS8075 GB
9.228.0.0/15 131.1K
0.0%
AS8075 GB
9.234.0.0/15 131.1K
0.6%
AS8075 GB
13.118.0.0/15 131.1K
0.0%
AS8075 GB
20.34.0.0/15 131.1K
0.0%
AS8070 US Virginia Boydton
20.36.0.0/15 131.1K
0.1%
AS8075 US Virginia Boydton
20.44.0.0/15 131.1K
0.1%
AS8075 US Iowa Des Moines
20.140.0.0/15 131.1K
0.0%
AS8070 US Virginia Boydton
20.150.0.0/15 131.1K
0.1%
AS8075 US
20.158.0.0/15 131.1K
0.0%
AS8070 US Virginia Boydton
23.100.0.0/15 131.1K
0.1%
AS8075 US
40.66.0.0/15 131.1K
0.8%
AS8075 US
40.74.0.0/15 131.1K
0.2%
AS8075 US California San Jose
40.82.0.0/15 131.1K
0.3%
AS8075 US California San Jose
40.84.0.0/15 131.1K
0.1%
AS8075 US Texas San Antonio
40.110.0.0/15 131.1K
0.0%
AS8075 US
40.170.0.0/15 131.1K
0.0%
AS8075 GB Uusimaa Helsinki
51.4.0.0/15 131.1K
0.0%
AS8075 DE
51.10.0.0/15 131.1K
7.5%
AS8075 GB England London
51.12.0.0/15 131.1K
0.0%
AS8075 GB
51.42.0.0/15 131.1K
0.0%
AS8075 US
51.54.0.0/15 131.1K
0.0%
AS8070 GB
51.104.0.0/15 131.1K
0.2%
AS8075 GB
51.136.0.0/15 131.1K
0.3%
AS8075 GB
51.144.0.0/15 131.1K
0.2%
AS8075 GB
52.114.0.0/15 131.1K
0.8%
AS8075 US Virginia Dulles
52.120.0.0/15 131.1K
0.0%
AS8075 US Texas San Antonio
52.126.0.0/15 131.1K
0.0%
AS8070 US Arizona Phoenix

Frequently Asked Questions

How many IP addresses does Microsoft Corporation own?

Microsoft Corporation controls 82.65M IPv4 addresses distributed across 1,629 CIDR ranges. The organization is registered in United States.

What ASNs does Microsoft Corporation operate?

Microsoft Corporation operates 12 Autonomous Systems. Each ASN represents an independently routed network that Microsoft Corporation manages for internet traffic delivery.

What countries does Microsoft Corporation serve?

Microsoft Corporation has IP address allocations in 36 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is Microsoft Corporation?

Microsoft Corporation is categorized as hosting. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-08-20 00:54:06 UTC
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