20.0.0.0/11

AS8075  ·  Microsoft Corporation

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Summary

Country United States
Domain microsoft.com
ASN AS8075
Registry ARIN
ID MSFT

WHOIS Details

NetHandle:      NET-20-0-0-0-1
OrgID:          MSFT
Parent:         NET-20-0-0-0-0
NetName:        MSFT
NetRange:       20.0.0.0 - 20.31.255.255
NetType:        allocation
RegDate:        2017-10-18
Updated:        2021-12-14
Source:         ARIN


OrgID:          MSFT
OrgName:        Microsoft Corporation
CanAllocate:    
Street:         One Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
Comment:        To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to:
Comment:        * https://cert.microsoft.com.  
Comment:        For SPAM and other abuse issues, such as Microsoft Accounts, please contact:
Comment:        * abuse@microsoft.com.  
Comment:        To report security vulnerabilities in Microsoft products and services, please contact:
Comment:        * secure@microsoft.com.  
Comment:        For legal and law enforcement-related requests, please contact:
Comment:        * msndcc@microsoft.com
Comment:        For routing, peering or DNS issues, please 
Comment:        contact:
Comment:        * IOC@microsoft.com
RegDate:        1998-07-10
Updated:        2025-06-10
OrgAdminHandle: IPHOS5-ARIN
OrgTechHandle:  BEDAR6-ARIN
OrgTechHandle:  IPHOS5-ARIN
OrgTechHandle:  MRPD-ARIN
OrgTechHandle:  SINGH683-ARIN
OrgAbuseHandle: MAC74-ARIN
OrgRoutingHandle:   CHATU3-ARIN
Source:         ARIN


POCHandle:      SINGH683-ARIN
IsRole:         N
LastName:       Singh
FirstName:      Prachi
Street:         1 Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2023-06-13
Updated:        2023-07-11
OfficePhone:    +1-425-707-5601
Mailbox:        pracsin@microsoft.com
Source:         ARIN


POCHandle:      MRPD-ARIN
IsRole:         Y
LastName:       Microsoft Routing, Peering, and DNS
FirstName:      
Street:         One Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2013-08-20
Updated:        2025-10-16
OfficePhone:    +1-425-882-8080
Mailbox:        IOC@microsoft.com
Source:         ARIN


POCHandle:      BEDAR6-ARIN
IsRole:         N
LastName:       Bedard
FirstName:      Dawn
Street:         1 Redmond Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2016-10-20
Updated:        2025-08-19
OfficePhone:    +1-425-538-6637
Mailbox:        dabedard@microsoft.com
Source:         ARIN


POCHandle:      IPHOS5-ARIN
IsRole:         N
LastName:       IPHostmaster
FirstName:      IPHostmaster
Street:         One Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     20147
RegDate:        2021-10-13
Updated:        2025-10-21
OfficePhone:    +1-425-538-6637
Mailbox:        iphostmaster@microsoft.com
Source:         ARIN


POCHandle:      MAC74-ARIN
IsRole:         Y
LastName:       Microsoft Abuse Contact
FirstName:      
Street:         One Microsoft Way
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2013-08-20
Updated:        2025-06-10
OfficePhone:    +1-425-882-8080
Mailbox:        abuse@microsoft.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 20.0.0.0/8

Range ASN Company Num of IPs
20.192.0.0/10 AS8075 Microsoft Corporation 4,194,304
20.160.0.0/12 AS8075 Microsoft Corporation 1,048,576
20.140.0.0/15 AS8070 Microsoft Corporation 131,072
20.129.0.0/16 AS16509 Amazon.com, Inc. 65,536
20.142.0.0/16 AS16509 Amazon.com, Inc. 65,536
20.131.0.0/16 AS16509 Amazon.com, Inc. 65,536
20.156.186.0/24 AS46116 Fixnetix Inc 256

Hosted domains

There are 426,058 domain names hosted across 9,380 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
20.6.158.121 competencecenter.cn 28980
20.2.26.111 xy3820.sbs 22656
20.2.89.45 xc6317.top 22653
20.2.210.251 05507.co 17784
20.2.210.159 vjaen.gdn 17133
20.2.218.53 97289.club 16984
20.24.113.182 yyuwnzfzkjh767c.xyz 13720
20.2.2.227 ayx2162.com 13570
20.6.155.29 w21bs549qp.skin 11282
20.6.177.147 3377703e.app 9746
20.2.20.6 jft52x05ph.com 9395
20.2.152.204 vv6365.cc 7529
20.2.16.212 xx6973.com 7523
20.2.146.2 67822c.com 6849
20.2.12.73 aloele.cc 5568
20.2.147.78 49699a.com 5543
20.2.160.166 7qeu.com 4768
20.2.161.167 ckx5.com 4647
20.2.16.155 3f7c.com 4586
20.24.199.123 6688cp3628.cc 4544

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

259,253 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
20.12.20.97 AS8075 Microsoft Corporation 0.30ms from Boydton, US
20.12.9.33 AS8075 Microsoft Corporation 0.27ms from Boydton, US
20.12.103.175 AS8075 Microsoft Corporation 0.23ms from Boydton, US
20.12.42.128 AS8075 Microsoft Corporation 0.28ms from Boydton, US
20.12.77.14 AS8075 Microsoft Corporation 0.33ms from Boydton, US
20.12.86.160 AS8075 Microsoft Corporation 0.20ms from Boydton, US
20.12.94.215 AS8075 Microsoft Corporation 0.21ms from Boydton, US
20.12.164.185 AS8075 Microsoft Corporation 0.22ms from Des Moines, US
20.11.195.169 AS8075 Microsoft Corporation 0.42ms from Melbourne, AU
20.11.177.201 AS8075 Microsoft Corporation 0.52ms from Melbourne, AU
20.11.207.97 AS8075 Microsoft Corporation 0.53ms from Melbourne, AU
20.11.189.149 AS8075 Microsoft Corporation 0.57ms from Melbourne, AU
20.12.6.149 AS8075 Microsoft Corporation 0.26ms from Boydton, US
20.12.81.189 AS8075 Microsoft Corporation 0.23ms from Boydton, US
20.12.53.132 AS8075 Microsoft Corporation 0.29ms from Boydton, US
20.12.40.76 AS8075 Microsoft Corporation 0.25ms from Boydton, US
20.12.59.125 AS8075 Microsoft Corporation 0.28ms from Boydton, US
20.12.96.14 AS8075 Microsoft Corporation 0.21ms from Boydton, US
20.12.29.106 AS8075 Microsoft Corporation 0.23ms from Boydton, US
20.12.92.179 AS8075 Microsoft Corporation 0.21ms from Boydton, US
20.12.123.216 AS8075 Microsoft Corporation 0.26ms from Boydton, US
20.12.30.60 AS8075 Microsoft Corporation 0.30ms from Boydton, US
20.12.139.113 AS8075 Microsoft Corporation 0.23ms from Des Moines, US
20.11.236.112 AS8075 Microsoft Corporation 0.42ms from Melbourne, AU
20.11.202.95 AS8075 Microsoft Corporation 0.54ms from Melbourne, AU

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
143.177.127.59 AS50266 Odido Netherlands B.V. 3.38ms from Amsterdam, NL
110.229.167.75 AS4837 CHINA UNICOM China169 Backbone 12.84ms from Beijing, CN
71.205.184.11 AS7922 Comcast Cable Communications, LLC 14.96ms from Denver, US
54.170.209.43 AS16509 Amazon.com, Inc. 0.14ms from Dublin, IE
114.98.231.43 AS140527 China Telecom 4.92ms from Huai'an, CN
222.189.23.187 AS4134 CHINANET-BACKBONE 7.42ms from Huai'an, CN
4.198.153.171 AS8075 Microsoft Corporation 0.52ms from Melbourne, AU
88.149.212.187 AS35612 EOLO S.p.A. 4.15ms from Milan, IT
59.55.211.91 AS4134 CHINANET-BACKBONE 5.10ms from Nanchang, CN
84.136.137.219 AS3320 Deutsche Telekom AG 5.70ms from Nuernberg, DE
119.230.48.59 AS17511 OPTAGE Inc. 2.03ms from Osaka, JP
187.99.104.251 AS26615 TIM S/A 1.56ms from Osasco, BR
195.135.38.123 AS8399 SEWAN SAS 0.58ms from Paris, FR
185.211.4.251 AS47583 Hostinger International Limited 0.82ms from Phoenix, US
148.0.24.219 AS6400 Compañía Dominicana de Teléfonos S. A. 2.24ms from Santo Domingo, DO
4.201.88.203 AS8075 Microsoft Corporation 0.17ms from Sao Paulo, BR
112.151.157.11 AS17858 LG POWERCOMM 2.05ms from Seoul, KR
121.176.65.219 AS4766 Korea Telecom 7.94ms from Seoul, KR
3.27.207.219 AS16509 Amazon.com, Inc. 0.10ms from Sydney, AU
36.238.105.107 AS3462 Data Communication Business Group 5.28ms from Taichung, TW
184.29.140.203 AS20940 Akamai International B.V. 0.36ms from Tokyo, JP
5.79.198.219 AS8369 Intersvyaz-2 JSC 3.56ms from Yekaterinburg, RU
115.50.225.91 AS4837 CHINA UNICOM China169 Backbone 4.49ms from Zhengzhou, CN
160.176.99.91 AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 5.49ms from Casablanca, MA
92.25.203.91 AS13285 TalkTalk Communications Limited 4.05ms from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 20.31.254.34
traceroute to 20.31.254.34 (20.31.254.34): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 [AS3356] 4.69.219.110 14.901 ms
6 [AS3356] 4.68.39.118 37.597 ms
7 [AS8075] 104.44.230.170 18.967 ms
8 [AS8075] 104.44.21.215 93.042 ms
9 [AS8075] 104.44.31.83 94.449 ms
10 [AS8075] 51.10.34.69 93.017 ms
11 *
12 [AS8075] 104.44.17.129 93.186 ms
13 *
14 [AS8075] 104.44.51.155 130.636 ms
15 [AS8075] 104.44.53.5 94.373 ms
16 [AS8075] 104.44.53.26 95.45 ms
17 *
18 *
19 *
20 *
21 [AS8075] 20.31.254.34 92.345 ms
Measurement taken from IPinfo ProbeNet in Fayetteville, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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