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:      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:      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:      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:      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 424,897 domain names hosted across 9,355 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 28842
20.2.26.111 xg431.top 22652
20.2.89.45 xg708.top 22647
20.2.210.251 jtyzm.gdn 17762
20.2.210.159 gdlzy.gdn 17120
20.2.218.53 173265.bid 16981
20.24.113.182 8b537nfkqu2de.xyz 13716
20.6.155.29 v25mpsy660.hair 11282
20.6.177.147 88681811.app 9745
20.2.20.6 08aa.app 9359
20.2.2.227 aiyouxi67.vip 8123
20.2.152.204 vv2265.cc 7531
20.2.16.212 51111kk.com 7497
20.2.146.2 t21666.com 6998
20.2.12.73 dm2g.cc 5565
20.2.147.78 fav4e2w.cc 5541
20.2.171.213 416aiyouxi.com 5340
20.2.160.166 bry4.com 4763
20.2.161.167 yt2y.com 4646
20.2.16.155 3f7c.com 4586

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

258,597 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
20.31.53.46 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.62.170 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.154.50 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.203.23 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.34.76 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.82.51 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.251.138 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.159.32 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.54.156 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.192.127 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.31.230.115 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.215.82 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.224.14 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.138.243 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.110.197 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.214.114 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.21.176 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.149.97 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.86.181 AS8075 Microsoft Corporation 0.21ms from Amsterdam, NL
20.31.133.98 AS8075 Microsoft Corporation 0.29ms from Amsterdam, NL
20.31.177.118 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.31.87.246 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.31.204.221 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.156.30 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.31.108.56 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
161.205.108.27 AS36758 Branch Banking and Trust Company 12.40ms from Ashburn, US
108.210.204.219 AS7018 AT&T Enterprises, LLC 16.53ms from Atlanta, US
104.156.40.11 AS398699 Cisco Systems Inc 0.88ms from Denver, US
122.156.118.155 AS4837 CHINA UNICOM China169 Backbone 9.47ms from Harbin, CN
76.82.163.235 AS20001 Charter Communications Inc 5.12ms from Los Angeles, US
37.133.199.107 AS12479 Orange Espagne SA 7.19ms from Madrid, ES
201.74.211.235 AS28573 Claro NXT Telecomunicacoes Ltda 12.03ms from Osasco, BR
3.219.40.59 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
189.35.104.123 AS28573 Claro NXT Telecomunicacoes Ltda 12.65ms from Sao Paulo, BR
13.125.150.123 AS16509 Amazon.com, Inc. 0.20ms from Seoul, KR
183.99.22.107 AS4766 Korea Telecom 1.49ms from Seoul, KR
31.208.35.187 AS29518 Bredband2 AB 0.61ms from Stockholm, SE
83.216.193.219 AS24953 NETPLANET GmbH 2.71ms from Vienna, AT
72.230.162.27 AS11351 Charter Communications Inc 17.92ms from Chicago, US
99.117.47.203 AS7018 AT&T Enterprises, LLC 16.43ms from Los Angeles, US
106.68.167.235 AS7545 TPG Telecom Limited 1.00ms from Perth, AU
34.201.24.107 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
177.115.79.235 AS26599 TELEFÔNICA BRASIL S.A 4.89ms from Sao Paulo, BR
14.89.41.107 AS4766 Korea Telecom 1.97ms from Seoul, KR
118.41.61.251 AS4766 Korea Telecom 4.65ms from Seoul, KR
116.124.198.123 AS9318 SK Broadband Co Ltd 7.72ms from Seoul, KR
79.133.31.43 AS3238 Alands Telekommunikation Ab 3.06ms from Stockholm, SE
60.157.125.219 AS17676 SoftBank Corp. 2.95ms from Tokyo, JP
219.165.158.139 AS4713 NTT DOCOMO BUSINESS,Inc. 14.59ms from Tokyo, JP
61.168.250.107 AS4837 CHINA UNICOM China169 Backbone 3.76ms from Zhengzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -f4 20.12.36.61
traceroute to 20.12.36.61 (20.12.36.61): 64 hops max, 52 byte packets
4 [AS7018] 32.130.25.12 7.579 ms
5 [AS7018] 32.130.20.31 7.548 ms
6 [AS7018] 32.130.20.53 7.549 ms
7 [AS7018] 32.130.25.77 7.829 ms
8 [AS8075] 104.44.230.172 21.965 ms
9 [AS8075] 104.44.21.235 16.854 ms
10 *
11 [AS8075] 104.44.31.83 16.332 ms
12 [AS8075] 51.10.17.162 18.281 ms
13 [AS8075] 104.44.50.130 17.486 ms
14 *
15 *
16 *
17 *
18 [AS8075] 20.12.36.61 16.011 ms
Measurement taken from IPinfo ProbeNet in Durham, 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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