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  2. 20.0.0.0/8
  3. AS8075  | 20.0.0.0/11

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:      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


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

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
Read more

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
20.31.120.155 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL
20.31.49.181 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.253.20 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.40.14 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.214.209 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.238.146 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.13.213 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.35.151 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.14.138 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.61.66 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.165.142 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.121.177 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.183.39 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.53.16 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.0.16 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.111.146 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.30.243 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.163.167 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.237.142 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.60.178 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.200.252 AS8075 Microsoft Corporation 0.21ms from Amsterdam, NL
20.31.196.178 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.232.254 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.252.239 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.194.212 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL

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
14.185.231.11 AS45899 VNPT Corp 1.11ms from Da Nang, VN
86.176.36.203 AS2856 British Telecommunications PLC 4.50ms from Erith, GB
102.132.224.203 AS37680 Cool Ideas Service Provider (Pty) Ltd 1.32ms from Johannesburg, ZA
176.67.13.75 AS25133 LLC "McLaut-Invest" 3.10ms from Kyiv, UA
109.109.251.107 AS34920 Simply Romford 1.64ms from London, GB
213.37.165.251 AS6739 VODAFONE ONO, S.A. 5.60ms from Madrid, ES
80.44.13.139 AS13285 TalkTalk Communications Limited 8.00ms from Manchester, GB
88.149.212.187 AS35612 EOLO S.p.A. 4.15ms from Milan, IT
187.99.104.251 AS26615 TIM S/A 1.56ms from Osasco, BR
148.0.24.219 AS6400 Compañía Dominicana de Teléfonos S. A. 2.24ms from Santo Domingo, DO
24.107.190.155 AS20115 Charter Communications LLC 3.55ms from St. Louis, US
150.199.1.11 AS2572 University of Missouri - dba the Missouri Research and Education Network (MOREnet) 2.81ms from St. Louis, US
27.139.117.43 AS9824 JCOM Co., Ltd. 12.30ms from Tokyo, JP
78.61.53.219 AS8764 Telia Lietuva, AB 3.08ms from Vilnius, LT
143.177.127.59 AS50266 Odido Netherlands B.V. 3.38ms from Amsterdam, NL
84.183.215.59 AS3320 Deutsche Telekom AG 4.14ms from Berlin, DE
190.51.238.27 AS22927 Telefonica de Argentina 2.29ms from Buenos Aires, AR
141.78.136.251 AS62336 PURtel.com GmbH 4.81ms from Frankfurt am Main, DE
134.16.73.123 AS20115 Charter Communications LLC 11.25ms from Fremont, US
189.163.70.219 AS8151 UNINET 0.94ms from Guadalajara, MX
176.208.50.27 AS12389 PJSC Rostelecom 8.32ms from Krasnoyarsk, RU
175.139.164.43 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 2.20ms from Kuala Lumpur, MY
79.33.6.43 AS3269 Telecom Italia S.p.A. 5.12ms from Naples, IT
182.64.104.91 AS24560 Bharti Airtel Ltd., Telemedia Services 2.53ms from Pune, IN
112.237.55.27 AS4837 CHINA UNICOM China169 Backbone 9.98ms from Qingdao, CN

Traceroute

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

$
traceroute -a -n -q1 20.9.128.58
traceroute to 20.9.128.58 (20.9.128.58): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 [AS6461] 64.125.21.245 15.225 ms
6 [AS8075] 104.44.119.123 15.969 ms
7 [AS8075] 104.44.53.189 19.897 ms
8 [AS8075] 104.44.21.143 19.503 ms
9 [AS8075] 51.10.34.11 20.604 ms
10 *
11 [AS8075] 51.10.6.172 21.29 ms
12 *
13 *
14 *
15 *
16 [AS8075] 20.9.128.58 19.376 ms
Measurement taken from IPinfo ProbeNet in Calgary, CA
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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