20.157.204.0/24

AS8069  ·  Microsoft Corporation

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Summary

Country United States
Domain microsoft.com
ASN AS8069
Registry ARIN
ID MSFT

WHOIS Details

NetHandle:      NET-20-157-0-0-1
OrgID:          MSFT
Parent:         NET-20-0-0-0-0
NetName:        MSFT
NetRange:       20.157.0.0 - 20.159.255.255
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:      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


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:      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 20.157.0.0/16

No nearby ranges found.

Hosted domains

There are 25 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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

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

IP Address ASN Details
20.157.204.14 AS8069 Microsoft Corporation 0.15ms from Santiago de Querétaro, MX

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
34.195.120.136 AS14618 Amazon.com, Inc. 0.53ms from Ashburn, US
142.173.52.8 AS6079 RCN 1.93ms from Ashburn, US
74.249.51.216 AS8075 Microsoft Corporation 0.36ms from Boydton, US
34.28.255.88 AS396982 Google LLC 0.10ms from Council Bluffs, US
97.118.48.232 AS209 CenturyLink Communications, LLC 2.13ms from Denver, US
40.69.215.56 AS8075 Microsoft Corporation 0.14ms from Dublin, IE
51.6.251.232 AS6871 Plusnet 4.93ms from Erith, GB
83.192.54.56 AS3215 Orange S.A. 5.87ms from Frankfurt am Main, DE
98.38.71.8 AS7922 Comcast Cable Communications, LLC 6.17ms from Greenwood Village, US
220.164.196.120 AS4134 CHINANET-BACKBONE 9.55ms from Kunming, CN
188.10.249.8 AS3269 Telecom Italia S.p.A. 4.11ms from Milan, IT
68.174.45.248 AS12271 Charter Communications Inc 4.29ms from New York City, US
5.128.43.24 AS31200 Novotelecom Ltd 1.22ms from Novosibirsk, RU
86.252.195.152 AS3215 Orange S.A. 3.08ms from Paris, FR
67.243.66.104 AS12271 Charter Communications Inc 8.08ms from Piscataway, US
2.37.181.120 AS30722 Vodafone Italia S.p.A. 7.85ms from Rome, IT
49.175.208.88 AS17858 LG POWERCOMM 2.79ms from Seoul, KR
14.192.85.24 AS38676 flexnetworks 0.80ms from Seoul, KR
211.43.137.24 AS4766 Korea Telecom 10.13ms from Seoul, KR
175.125.120.200 AS9318 SK Broadband Co Ltd 1.92ms from Seoul, KR
46.10.150.24 AS8866 Vivacom Bulgaria EAD 17.97ms from Sofia, BG
81.243.23.88 AS5432 Proximus NV 1.32ms from Brussels, BE
34.123.232.56 AS396982 Google LLC 0.12ms from Council Bluffs, US
80.170.67.168 AS1257 Tele2 Sverige AB 0.49ms from Goeteborg, SE
50.21.229.40 AS852 TELUS Communications Inc. 2.61ms from Kelowna, CA

Traceroute

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

$
traceroute -a -n -q1 20.157.204.12
traceroute to 20.157.204.12 (20.157.204.12): 64 hops max, 52 byte packets
1 [AS15169] 72.14.236.39 122.164 ms
2 [AS1299] 62.115.51.12 119.142 ms
3 [AS1299] 62.115.141.247 171.016 ms
4 [AS1299] 62.115.141.16 219.913 ms
5 [AS1299] 62.115.141.119 220.709 ms
6 *
7 [AS1299] 213.248.95.41 217.414 ms
8 [AS8075] 51.10.7.8 240.443 ms
9 [AS8075] 104.44.20.216 270.477 ms
10 [AS8075] 51.10.26.166 268.655 ms
11 *
12 [AS8075] 51.10.27.114 275.295 ms
13 *
14 [AS8075] 104.44.52.4 287.294 ms
15 *
16 *
17 *
18 *
19 [AS8069] 20.157.204.12 268.125 ms
Measurement taken from IPinfo ProbeNet in Melbourne, AU
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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