20.33.243.0/24

AS8069  ·  Microsoft Corporation

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Summary

Country United States
Domain microsoft.com
ASN AS8069
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:      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:      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:      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:      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

Nearby Ranges

BGP prefixes that overlap with 20.33.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
20.33.243.17 AS8069 Microsoft Corporation 0.47ms from Des Moines, US

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
1.92.205.232 AS55990 Huawei Cloud Service data center 7.66ms from Beijing, CN
107.171.79.248 AS63014 McCormick Place 0.93ms from Chicago, US
14.107.22.232 AS4134 CHINANET-BACKBONE 0.87ms from Chongqing, CN
24.209.230.152 AS10796 Charter Communications Inc 9.61ms from Columbus, US
223.5.243.184 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.11ms from Hangzhou, CN
43.231.0.136 AS133380 Layerstack Limited 1.01ms from Hong Kong, HK
108.195.196.216 AS7018 AT&T Enterprises, LLC 9.22ms from Houston, US
223.178.18.56 AS24560 Bharti Airtel Ltd., Telemedia Services 2.03ms from Hyderabad, IN
82.18.147.248 AS5089 Virgin Media Limited 11.08ms from London, GB
69.180.175.56 AS7922 Comcast Cable Communications, LLC 7.04ms from Minneapolis, US
15.156.224.40 AS16509 Amazon.com, Inc. 0.54ms from Montreal, CA
122.233.113.72 AS4134 CHINANET-BACKBONE 5.90ms from Ningbo, CN
126.26.62.216 AS17676 SoftBank Corp. 10.52ms from Osaka, JP
2.17.41.200 AS20940 Akamai International B.V. 0.49ms from Osasco, BR
35.173.74.8 AS14618 Amazon.com, Inc. 0.15ms from Reston, US
44.194.108.104 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
178.45.178.104 AS12389 PJSC Rostelecom 0.69ms from Samara, RU
14.34.156.56 AS38697 Hankyong National Univercity 3.07ms from Seoul, KR
119.192.107.232 AS4766 Korea Telecom 1.63ms from Seoul, KR
61.163.65.56 AS4837 CHINA UNICOM China169 Backbone 4.49ms from Zhengzhou, CN
200.101.105.24 AS8167 V tal 16.92ms from Brasilia, BR
1.191.135.88 AS4837 CHINA UNICOM China169 Backbone 10.05ms from Changchun, CN
174.101.173.232 AS10796 Charter Communications Inc 17.32ms from Flint, US
35.156.129.40 AS16509 Amazon.com, Inc. 0.19ms from Frankfurt am Main, DE
210.6.41.168 AS9269 Hong Kong Broadband Network Ltd. 0.45ms from Hong Kong, HK

Traceroute

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

$
traceroute -a -n -q1 -m5 20.33.243.119
traceroute to 20.33.243.119 (20.33.243.119): 5 hops max, 52 byte packets
1 [AS749] 11.222.237.2 1.025 ms
2 [AS749] 11.73.44.201 0.656 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Beijing, CN
On

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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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