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Autonomous System

AS8070

Microsoft Corporation

Announced IPs
1,073,920
CIDR prefixes
28
ASN
AS8070

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About Microsoft

Microsoft Corporation is an American multinational technology conglomerate 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 and video gaming among others.

Founded
1975
Headquarters
Redmond
Industry
technology industry
Employees
221,000

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
57.16.0.0/14 262.1K
0.0%
Microsoft Corporation GB — —
20.34.0.0/15 131.1K
0.0%
Microsoft Corporation US Virginia Boydton
20.140.0.0/15 131.1K
0.0%
Microsoft Corporation US Virginia Boydton
20.158.0.0/15 131.1K
0.0%
Microsoft Corporation US Virginia Boydton
51.54.0.0/15 131.1K
0.0%
Microsoft Corporation GB — —
52.126.0.0/15 131.1K
0.0%
Microsoft Corporation US Arizona Phoenix
62.10.0.0/15 131.1K
0.0%
Microsoft Corporation GB — —
195.134.224.0/19 8.2K
0.3%
Microsoft Corporation FI — —
131.253.80.0/20 4.1K
0.0%
Microsoft Corporation US Texas San Antonio
131.253.112.0/21 2.0K
0.2%
Microsoft Corporation US Iowa Des Moines
204.13.120.0/21 2.0K
1.4%
Microsoft Corporation US — —
131.253.72.0/22 1.0K
0.0%
Microsoft Corporation US Virginia Boydton
131.253.120.0/22 1.0K
1.1%
Microsoft Corporation US Virginia Boydton
165.159.132.0/22 1.0K
3.7%
Microsoft Corporation US Virginia Boydton
165.159.136.0/22 1.0K
2.5%
Microsoft Corporation US Arizona Phoenix
165.159.188.0/22 1.0K
0.0%
Microsoft Corporation US Texas San Antonio
152.228.48.0/23 512
0.0%
Microsoft Corporation US Virginia Boydton
199.15.136.0/23 512
3.9%
Microsoft Corporation US Virginia Boydton
208.68.130.0/23 512
0.0%
Microsoft Corporation US Virginia Boydton
64.40.141.0/24 256
0.0%
Microsoft Corporation US Virginia Boydton
97.107.239.0/24 256
0.0%
Microsoft Corporation US Virginia Boydton
137.70.156.0/24 256
0.0%
Microsoft Corporation US Virginia Boydton
137.70.158.0/24 256
0.0%
Microsoft Corporation US Arizona Phoenix
170.85.197.0/24 256
0.0%
Microsoft Corporation US California Santa Ana
170.85.198.0/24 256
0.0%
Microsoft Corporation US California Santa Ana
199.15.138.0/24 256
0.8%
Microsoft Corporation US Arizona Phoenix
199.34.97.0/24 256
0.0%
Microsoft Corporation US Virginia Boydton
206.41.48.0/24 256
0.0%
Microsoft Corporation US Virginia Boydton

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS8070 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
57.16.0.0/14 9,521 2026-11-06 06:42:08
20.158.0.0/15 9,435 2026-11-06 06:36:22
62.10.0.0/15 9,241 2026-11-06 06:42:19
51.54.0.0/15 9,162 2026-11-06 06:41:13
20.34.0.0/15 9,155 2026-11-06 06:36:12
208.68.130.0/24 9,136 2026-11-06 06:33:31
20.140.0.0/15 9,089 2026-11-06 06:36:20
52.126.0.0/15 9,045 2026-11-06 06:42:02
64.40.141.0/24 9,034 2026-11-06 06:42:34
165.159.136.0/22 8,970 2026-11-06 06:33:31
97.107.239.0/24 8,962 2026-11-06 06:33:31
208.68.131.0/24 8,954 2026-11-06 06:33:31
131.253.72.0/22 8,932 2026-11-06 06:33:31
137.70.158.0/24 8,929 2026-11-06 06:33:31
131.253.112.0/21 8,924 2026-11-06 06:33:31
131.253.80.0/20 8,923 2026-11-06 06:33:31
131.253.120.0/22 8,896 2026-11-06 06:33:31
152.228.48.0/24 8,882 2026-11-06 06:33:31
152.228.49.0/24 8,878 2026-11-06 06:33:31
206.41.48.0/24 8,873 2026-11-06 06:33:31
137.70.156.0/24 8,846 2026-11-06 06:33:31
165.159.132.0/22 8,817 2026-11-06 06:33:31
165.159.188.0/22 8,807 2026-11-06 06:33:31
170.85.197.0/24 8,787 2026-11-06 06:33:31
170.85.198.0/24 8,777 2026-11-06 06:33:31
204.13.120.0/21 8,749 2026-11-06 06:33:31
199.34.97.0/24 8,748 2026-11-06 06:33:31
199.15.136.0/23 8,740 2026-11-06 06:33:31
199.15.138.0/24 8,726 2026-11-06 06:33:31
195.134.224.0/19 8,725 2026-11-06 06:33:31

Frequently Asked Questions

What is AS8070?

AS8070 is an Autonomous System Number assigned to Microsoft Corporation. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS8070 announce?

AS8070 announces 1.07M IPv4 addresses distributed across 28 routed CIDR prefixes. The network is registered in United States.

Who operates AS8070?

AS8070 is operated by Microsoft Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS8070 registered in?

AS8070 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-06 06:54:05 UTC
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