51.116.0.0/16

AS8075 · Microsoft Corporation

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	United Kingdom
Domain	microsoft.com
ASN	AS8075
Registry	RIPE
ID	MICROSOFT

WHOIS Details

inetnum:        51.116.0.0 - 51.116.255.255
org:            ORG-MA42-RIPE
netname:        MICROSOFT
descr:          Microsoft Limited UK
country:        GB
admin-c:        DH5439-RIPE
tech-c:         MRPA3-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         MICROSOFT-MAINT
created:        2015-05-21T16:59:44Z
last-modified:  2016-07-25T09:38:58Z
source:         RIPE
abuse-email:    abuse@microsoft.com
abuse-c:        MAC274-RIPE
abuse-org:      ORG-MA42-RIPE

organisation:   ORG-MA42-RIPE
org-name:       Microsoft Limited
country:        GB
org-type:       LIR
descr:          Microsoft Corporation AS8075
descr:          To report suspected security issues specific to
descr:          traffic emanating from Microsoft online services,
descr:          including the distribution of malicious content
descr:          or other illicit or illegal material through a
descr:          Microsoft online service, please submit reports
descr:          to:
descr:          * https://cert.microsoft.com
descr:          For SPAM and other abuse issues, such as Microsoft
descr:          Accounts, please contact:
descr:          * abuse@microsoft.com
descr:          To report security vulnerabilities in Microsoft
descr:          products and services, please contact:
descr:          * secure@microsoft.com
descr:          For legal and law enforcement-related requests,
descr:          please contact:
descr:          * msndcc@microsoft.com
descr:          For routing, peering or DNS issues, please
descr:          contact:
descr:          * IOC@microsoft.com
address:        One Microsoft Way
address:        WA 98052
address:        Redmond
address:        UNITED STATES
phone:          +1 425 882 8080
fax-no:         +1 425 936 7329
e-mail:         iphostmaster@microsoft.com
abuse-c:        MAC274-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MICROSOFT-MAINT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MICROSOFT-MAINT
created:        2004-04-17T12:18:10Z
last-modified:  2022-03-08T18:20:31Z
source:         RIPE

role:           Microsoft Routing, Peering, and DNS
address:        One Microsoft Way
address:        Redmond, WA 98052
e-mail:         ioc@microsoft.com
nic-hdl:        MRPA3-RIPE
mnt-by:         MICROSOFT-MAINT
created:        2014-08-26T16:25:24Z
last-modified:  2014-08-26T16:25:24Z
source:         RIPE

person:         Divya Quamara
address:        One Microsoft Way
address:        Redmond, WA 98052
phone:          +1-425-882-8080
nic-hdl:        DH5439-RIPE
mnt-by:         MICROSOFT-MAINT
created:        2014-08-26T16:24:14Z
last-modified:  2016-02-19T07:09:41Z
source:         RIPE

route:          51.116.0.0/16
origin:         AS8075
descr:          Microsoft
notify:         radb@microsoft.com
mnt-by:         MICROSOFT-MAINT
created:        2020-07-22T15:00:20Z
last-modified:  2020-07-22T15:00:20Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 51.0.0.0/8

Range	ASN	Company	Num of IPs
51.6.0.0/15	AS6871		131,072
51.176.0.0/15	AS16509	A100 ROW Inc	131,072
51.94.0.0/15	AS16509	A100 ROW Inc	131,072
51.158.0.0/15	AS12876	Scaleway	131,072
51.214.0.0/15	AS16509	A100 Row Inc	131,072
51.244.0.0/15	AS16509	A100 ROW Inc	131,072
51.236.0.0/15	AS16509	A100 ROW Inc	131,072
51.48.0.0/15	AS16509	A100 ROW Inc	131,072
51.182.0.0/15	AS5607	SKY UK Limited	131,072
51.16.0.0/15	AS16509	A100 Row Inc	131,072
51.216.0.0/15	AS16509	A100 ROW Inc	131,072
51.192.0.0/15	AS16509	A100 ROW Inc	131,072
51.172.0.0/15	AS16509	A100 ROW Inc	131,072
51.254.0.0/15	AS16276	OVH SAS	131,072
51.212.0.0/15	AS16509	A100 ROW Inc	131,072
51.232.0.0/15	AS16509	A100 ROW Inc	131,072
51.248.0.0/15	AS16509	A100 ROW Inc	131,072
51.34.0.0/15	AS16509	A100 Row Inc	131,072
51.220.0.0/15	AS16509	A100 ROW Inc	131,072
51.174.0.0/15	AS29695	Altibox AS	131,072
51.186.0.0/15	AS5607	SKY UK Limited	131,072
51.4.0.0/15	AS8075	Microsoft Deutschland MCIO GmbH	131,072
51.196.0.0/15	AS16509	A100 ROW Inc	131,072
51.190.0.0/15	AS5607	SKY UK Limited	131,072
51.184.0.0/15	AS16509	A100 ROW Inc	131,072
51.252.0.0/15	AS25019	Saudi Telecom Company JSC	131,072
51.208.0.0/15	AS16509	A100 ROW Inc	131,072
51.188.0.0/15	AS16509	A100 ROW Inc	131,072
51.156.0.0/15	AS16509	A100 Row Inc	131,072
51.122.0.0/15	AS16509	A100 Row Inc	131,072
51.168.0.0/15	AS16509	A100 ROW Inc	131,072
51.180.0.0/15	AS16509	A100 ROW Inc	131,072
51.224.0.0/15	AS16509	Amazon Data Services European Sovereign Cloud GmbH	131,072
51.228.0.0/15	AS16509	A100 ROW Inc	131,072
51.20.0.0/16	AS16509	A100 ROW Inc	65,536
51.125.0.0/16	AS16509	A100 ROW Inc	65,536
51.155.0.0/16	AS13037	Zen Internet Limited	65,536
51.160.0.0/16	AS16509	A100 ROW Inc	65,536
51.129.0.0/16	AS16509	A100 ROW Inc	65,536
51.148.0.0/16	AS13037	Zen Internet Limited	65,536
51.139.0.0/16	AS16509	A100 ROW Inc	65,536
51.150.0.0/16	AS16509	A100 Row Inc	65,536
51.112.0.0/16	AS16509	A100 ROW Inc	65,536
51.110.0.0/16	AS16509	A100 Row Inc	65,536
51.21.0.0/16	AS16509	A100 ROW Inc	65,536
51.108.0.0/16	AS16509	A100 Row Inc	65,536
51.91.0.0/16	AS16276	OVH SAS	65,536
51.121.0.0/16	AS16509	A100 ROW Inc	65,536
51.118.0.0/16	AS16509	A100 ROW Inc	65,536
51.89.0.0/16	AS16276	OVH SAS	65,536

Hosted domains

There are 5,815 domain names hosted across 329 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
51.116.100.82	orthopaedisches-zentrum-ulm.de	874
51.116.145.35	boersenmedien.de	586
51.116.145.32	rewatchables.com	580
51.116.145.33	finants.ro	483
51.116.145.38	russelleurope.com	424
51.116.145.37	boerse-online.de	419
51.116.145.34	heel.com	387
51.116.154.224	europersonal.com	273
51.116.145.36	forsvaret.dk	183
51.116.97.225	alpenverein.de	181
51.116.114.43	allfoye.com	114
51.116.176.235	rational-austria.at	107
51.116.99.197	rebuildkfarazza.co.il	66
51.116.127.237	thelwtechnologies.com	55
51.116.237.107	volksschuleschwaig.de	55
51.116.184.185	xecuris.ag	54
51.116.227.89	stadtwerke-klingenberg.de	37
51.116.118.26	pei.it	37
51.116.183.186	imbutitura.com	36
51.116.96.94	schirrmacher-akademie.de	27

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

4,257 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
51.116.216.59	AS8075 Microsoft Corporation	`1.02ms` from Berlin, DE
51.116.4.51	AS8075 Microsoft Corporation	`0.97ms` from Berlin, DE
51.116.221.114	AS8075 Microsoft Corporation	`1.45ms` from Berlin, DE
51.116.2.237	AS8075 Microsoft Corporation	`1.06ms` from Berlin, DE
51.116.148.233	AS8075 Microsoft Corporation	`0.32ms` from Frankfurt am Main, DE
51.116.233.32	AS8075 Microsoft Corporation	`0.32ms` from Frankfurt am Main, DE
51.116.246.9	AS8075 Microsoft Corporation	`0.40ms` from Frankfurt am Main, DE
51.116.165.97	AS8075 Microsoft Corporation	`1.04ms` from Frankfurt am Main, DE
51.116.104.17	AS8075 Microsoft Corporation	`0.22ms` from Frankfurt am Main, DE
51.116.193.234	AS8075 Microsoft Corporation	`0.24ms` from Frankfurt am Main, DE
51.116.151.241	AS8075 Microsoft Corporation	`0.33ms` from Frankfurt am Main, DE
51.116.105.225	AS8075 Microsoft Corporation	`0.21ms` from Frankfurt am Main, DE
51.116.177.4	AS8075 Microsoft Corporation	`0.27ms` from Frankfurt am Main, DE
51.116.48.198	AS8075 Microsoft Corporation	`1.13ms` from Berlin, DE
51.116.1.247	AS8075 Microsoft Corporation	`1.30ms` from Berlin, DE
51.116.173.76	AS8075 Microsoft Corporation	`0.32ms` from Frankfurt am Main, DE
51.116.162.193	AS8075 Microsoft Corporation	`1.23ms` from Frankfurt am Main, DE
51.116.153.120	AS8075 Microsoft Corporation	`0.60ms` from Frankfurt am Main, DE
51.116.102.104	AS8075 Microsoft Corporation	`0.29ms` from Frankfurt am Main, DE
51.116.176.61	AS8075 Microsoft Corporation	`0.25ms` from Frankfurt am Main, DE
51.116.235.91	AS8075 Microsoft Corporation	`0.31ms` from Frankfurt am Main, DE
51.116.236.202	AS8075 Microsoft Corporation	`0.34ms` from Frankfurt am Main, DE
51.116.58.10	AS8075 Microsoft Corporation	`0.99ms` from Berlin, DE
51.116.250.154	AS8075 Microsoft Corporation	`0.95ms` from Frankfurt am Main, DE
51.116.170.236	AS8075 Microsoft Corporation	`0.32ms` from Frankfurt am Main, DE

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
93.156.177.192	AS12946 R Cable y Telecable Telecomunicaciones, S.A.U.	`9.49ms` from A Coruna, ES
130.102.146.80	AS24436 University of Queensland	`14.57ms` from Brisbane, AU
171.248.52.32	AS7552 Viettel Group	`1.70ms` from Ho Chi Minh City, VN
162.244.40.192	AS30325 South Slope Cooperative Telephone Company	`9.95ms` from Kansas City, US
86.190.225.192	AS2856 British Telecommunications PLC	`2.71ms` from London, GB
109.116.162.16	AS30722 Vodafone Italia S.p.A.	`3.03ms` from Milan, IT
90.54.7.32	AS3215 Orange S.A.	`19.59ms` from Paris, FR
39.89.101.224	AS4837 CHINA UNICOM China169 Backbone	`1.68ms` from Qingdao, CN
184.72.249.128	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
73.117.178.160	AS7922 Comcast Cable Communications, LLC	`12.16ms` from Ashburn, US
128.85.179.176	AS8075 Microsoft Corporation	`0.39ms` from Boydton, US
207.113.159.224	AS13428 Surf Air Wireless, LLC	`1.16ms` from Chicago, US
83.236.135.224	AS20676 Plusnet GmbH	`2.40ms` from Duesseldorf, DE
135.116.210.112	AS8075 Microsoft Corporation	`0.22ms` from Gaevle, SE
222.252.207.192	AS45899 VNPT Corp	`2.47ms` from Hanoi, VN
119.154.152.48	AS17557 Pakistan Telecommunication Company Limited	`11.27ms` from Karachi, PK
94.236.60.48	AS15395 Rackspace Ltd.	`1.40ms` from London, GB
38.213.222.0	AS174 Cogent Communications, LLC	`1.65ms` from New York City, US
216.102.105.0	AS7018 AT&T Enterprises, LLC	`4.20ms` from Redding, US
216.25.207.160	AS32674 Blue Hill Data Services	`4.00ms` from Secaucus, US
124.49.55.80	AS17858 LG POWERCOMM	`2.09ms` from Seoul, KR
13.60.55.160	AS16509 Amazon.com, Inc.	`1.10ms` from Stockholm, SE
126.43.11.128	AS17676 SoftBank Corp.	`7.55ms` from Tokyo, JP
61.52.242.208	AS4837 CHINA UNICOM China169 Backbone	`2.25ms` from Zhengzhou, CN
174.103.173.128	AS10796 Charter Communications Inc	`5.08ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f7 51.116.97.195

traceroute to 51.116.97.195 (51.116.97.195): 64 hops max, 52 byte packets

7 [AS8075] 104.44.230.26 4.33 ms

8 *

9 *

10 *

11 [AS8075] 51.10.9.136 19.033 ms

12 *

13 *

14 *

15 *

16 [AS8075] 51.116.97.195 8.089 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On November 14th 2025

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales