1. All IP Ranges
  2. 20.0.0.0/8
  3. AS8075  | 20.64.0.0/10

20.64.0.0/10

AS8075  ·  Microsoft Corporation

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Summary

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

WHOIS Details

NetHandle:      NET-20-33-0-0-1
OrgID:          MSFT
Parent:         NET-20-0-0-0-0
NetName:        MSFT
NetRange:       20.33.0.0 - 20.128.255.255
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:      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:      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

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
20.0.0.0/11 AS8075 Microsoft Corporation 2,097,152
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 286,447 domain names hosted across 18,807 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
20.112.250.133 skype.com 18312
20.76.201.171 skype.com 18301
20.70.246.20 skype.com 18287
20.125.28.80 kvr.com 3902
20.98.200.44 shavingtips.com 3546
20.109.133.32 classpoint.app 3147
20.69.151.16 litmos.com.au 3118
20.99.157.72 duocard.com.br 3106
20.99.163.40 cloudreve.org 3036
20.72.253.180 zbra.com.br 2985
20.64.189.4 kbb.ca 2975
20.80.156.48 evalgator.com 2971
20.69.69.104 kbb.ca 2911
20.80.136.242 securibox.eu 2897
20.126.189.248 mkto-lon040040.com 2868
20.115.58.45 opal-conference.com 2756
20.121.248.176 ironcityninjaspa.com 2745
20.115.180.138 manenterprise.com 2647
20.98.186.207 8682hawaiidrive.com 1589
20.75.112.13 litmoseu.com 1550

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

489,770 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
20.101.144.128 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL
20.101.91.21 AS8075 Microsoft Corporation 0.26ms from Amsterdam, NL
20.101.111.13 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
20.101.148.131 AS8075 Microsoft Corporation 0.26ms from Amsterdam, NL
20.101.129.8 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.38.176 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.101.151.60 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
20.101.65.61 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.20.130 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.101.62.93 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
20.101.51.150 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.153.22 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.11.10 AS8075 Microsoft Corporation 0.27ms from Amsterdam, NL
20.100.234.79 AS8075 Microsoft Corporation 1.88ms from Sandefjord, NO
20.100.199.39 AS8075 Microsoft Corporation 1.85ms from Sandefjord, NO
20.100.212.1 AS8075 Microsoft Corporation 1.83ms from Sandefjord, NO
20.100.215.108 AS8075 Microsoft Corporation 1.79ms from Sandefjord, NO
20.101.4.69 AS8075 Microsoft Corporation 0.25ms from Amsterdam, NL
20.101.70.55 AS8075 Microsoft Corporation 0.20ms from Amsterdam, NL
20.101.131.75 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.143.169 AS8075 Microsoft Corporation 0.23ms from Amsterdam, NL
20.101.139.229 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.101.16.27 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.101.56.246 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL
20.100.181.12 AS8075 Microsoft Corporation 1.88ms from Sandefjord, NO

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
35.165.10.74 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
207.182.185.10 AS13445 Cisco Webex LLC 1.74ms from Dallas, US
168.105.254.42 AS6360 University of Hawaii 4.42ms from Honolulu, US
101.249.200.154 AS4134 CHINANET-BACKBONE 12.14ms from Lhasa, CN
2.220.219.218 AS5607 Sky UK Limited 5.71ms from London, GB
185.194.115.250 AS205517 Highland Community Broadband C.I.C. 9.71ms from Manchester, GB
1.6.227.90 AS132215 Powergrid Teleservices Limited 2.55ms from Mumbai, IN
78.194.241.106 AS12322 Free SAS 1.36ms from Paris, FR
112.239.223.250 AS4837 CHINA UNICOM China169 Backbone 8.05ms from Qingdao, CN
1.249.89.170 AS9318 SK Broadband Co Ltd 7.29ms from Seoul, KR
113.39.145.202 AS17506 ARTERIA Networks Corporation 2.32ms from Tokyo, JP
164.126.147.42 AS39603 P4 Sp. z o.o. 9.13ms from Warsaw, PL
218.95.193.218 AS4134 CHINANET-BACKBONE 4.41ms from Zhongwei, CN
18.212.137.42 AS14618 Amazon.com, Inc. 0.99ms from Ashburn, US
23.63.132.106 AS16625 Akamai Technologies, Inc. 0.33ms from Berlin, DE
109.129.148.58 AS5432 Proximus NV 2.17ms from Brussels, BE
117.242.57.58 AS9829 National Internet Backbone 12.81ms from Chennai, IN
24.1.77.202 AS7922 Comcast Cable Communications, LLC 5.47ms from Chicago, US
14.243.48.74 AS45899 VNPT Corp 0.67ms from Da Nang, VN
173.164.48.74 AS7922 Comcast Cable Communications, LLC 5.02ms from Denver, US
174.0.129.26 AS6327 Shaw Communications 5.72ms from Edmonton, CA
217.249.173.10 AS3320 Deutsche Telekom AG 4.16ms from Hamburg, DE
171.252.193.218 AS7552 Viettel Group 3.71ms from Hanoi, VN
27.70.63.154 AS7552 Viettel Group 3.27ms from Hanoi, VN
97.221.98.138 AS6167 Verizon Business 10.26ms from Miami, US

Traceroute

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

$
traceroute -a -n -q1 -f2 20.97.64.93
traceroute to 20.97.64.93 (20.97.64.93): 64 hops max, 52 byte packets
4 [] 185.1.131.6 60.562 ms
5 [AS8075] 104.44.239.22 141.554 ms
6 *
7 *
8 [AS8075] 51.10.8.200 192.397 ms
9 *
10 *
11 [AS8075] 51.10.3.247 192.305 ms
12 *
13 *
14 [AS8075] 51.10.15.28 194.801 ms
15 *
16 *
17 *
18 *
19 [AS8075] 20.97.64.93 196.976 ms
Measurement taken from IPinfo ProbeNet in Abidjan, CI
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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