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  2. 51.0.0.0/8
  3. AS8075  | 51.140.0.0/14

51.140.0.0/14

AS8075  ·  Microsoft Corporation

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Summary

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

WHOIS Details

inetnum:        51.140.0.0 - 51.145.255.255
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:        2015-05-21T17:21:54Z
last-modified:  2016-07-25T09:38:58Z
source:         RIPE
abuse-email:    [email protected]
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:          * [email protected]
descr:          To report security vulnerabilities in Microsoft
descr:          products and services, please contact:
descr:          * [email protected]
descr:          For legal and law enforcement-related requests,
descr:          please contact:
descr:          * [email protected]
descr:          For routing, peering or DNS issues, please
descr:          contact:
descr:          * [email protected]
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:         [email protected]
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:         [email protected]
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

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
51.172.0.0/15 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
51.220.0.0/15 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
51.190.0.0/15 AS5607 SKY UK Limited 131,072
51.212.0.0/15 AS16509 A100 ROW Inc 131,072
51.184.0.0/15 AS16509 A100 ROW Inc 131,072
51.174.0.0/15 AS29695 Altibox AS 131,072
51.208.0.0/15 AS16509 A100 ROW Inc 131,072
51.168.0.0/15 AS16509 A100 ROW Inc 131,072
51.224.0.0/15 AS16509 Amazon Data Services European Sovereign Cloud GmbH 131,072
51.232.0.0/15 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
51.252.0.0/15 AS25019 Saudi Telecom Company JSC 131,072
51.186.0.0/15 AS5607 SKY UK Limited 131,072
51.216.0.0/15 AS16509 A100 ROW Inc 131,072
51.4.0.0/15 AS8075 Microsoft Deutschland MCIO GmbH 131,072
51.180.0.0/15 AS16509 A100 ROW Inc 131,072
51.214.0.0/15 AS16509 A100 Row Inc 131,072
51.196.0.0/15 AS16509 A100 ROW Inc 131,072
51.182.0.0/15 AS5607 SKY UK Limited 131,072
51.156.0.0/15 AS16509 A100 Row Inc 131,072
51.122.0.0/15 AS16509 A100 Row Inc 131,072
51.188.0.0/15 AS16509 A100 ROW Inc 131,072
51.254.0.0/15 AS16276 OVH SAS 131,072
51.176.0.0/15 AS16509 A100 ROW Inc 131,072
51.192.0.0/15 AS16509 A100 ROW Inc 131,072
51.16.0.0/15 AS16509 A100 Row Inc 131,072
51.228.0.0/15 AS16509 A100 ROW Inc 131,072
51.139.0.0/16 AS16509 A100 ROW Inc 65,536
51.150.0.0/16 AS16509 A100 Row Inc 65,536
51.20.0.0/16 AS16509 A100 ROW Inc 65,536
51.148.0.0/16 AS13037 Zen Internet Limited 65,536
51.125.0.0/16 AS16509 A100 ROW Inc 65,536
51.131.0.0/16 AS16509 A100 ROW Inc 65,536
51.134.0.0/16 AS16509 A100 ROW Inc 65,536
51.110.0.0/16 AS16509 A100 Row Inc 65,536
51.108.0.0/16 AS16509 A100 Row Inc 65,536
51.160.0.0/16 AS16509 A100 ROW Inc 65,536
51.21.0.0/16 AS16509 A100 ROW Inc 65,536
51.91.0.0/16 AS16276 OVH SAS 65,536
51.89.0.0/16 AS16276 OVH SAS 65,536
51.83.0.0/16 AS16276 OVH SAS 65,536
51.112.0.0/16 AS16509 A100 ROW Inc 65,536
51.77.0.0/16 AS16276 OVH SAS 65,536

Hosted domains

There are 20,751 domain names hosted across 2,183 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
51.140.159.254 socscms.com 676
51.140.246.165 netdefence-mail.co.uk 564
51.140.146.133 debtrecoveryplus.co.uk 479
51.140.191.223 nls.uk 476
51.140.244.162 bluestonewales.com 450
51.141.90.252 thekennelclub.org.uk 431
51.140.245.89 bcu.ac.uk 406
51.143.55.242 firstam.com 403
51.140.210.101 logmeinrescue.com 403
51.140.59.233 arete.net 397
51.140.185.151 simmons-simmons.com 396
51.140.146.131 psychotherapy.org.uk 391
51.140.146.132 lovell.co.uk 382
51.140.152.154 medical-interviews.co.uk 365
51.140.37.241 wolseyhalloxford.org.uk 340
51.140.146.128 instacare.pk 340
51.140.87.39 codes.co.uk 329
51.143.191.44 wellsfargojobs.com 317
51.143.107.76 coupa.com 299
51.140.210.103 fife.ac.uk 287

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

30,040 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
51.143.227.147 AS8075 Microsoft Corporation 0.19ms from London, GB
51.143.185.2 AS8075 Microsoft Corporation 0.26ms from London, GB
51.143.253.80 AS8075 Microsoft Corporation 0.19ms from London, GB
51.143.188.236 AS8075 Microsoft Corporation 0.20ms from London, GB
51.143.238.109 AS8075 Microsoft Corporation 0.19ms from London, GB
51.143.241.151 AS8075 Microsoft Corporation 0.23ms from London, GB
51.143.191.83 AS8075 Microsoft Corporation 0.21ms from London, GB
51.143.247.30 AS8075 Microsoft Corporation 0.18ms from London, GB
51.143.220.22 AS8075 Microsoft Corporation 0.37ms from London, GB
51.143.190.171 AS8075 Microsoft Corporation 0.20ms from London, GB
51.143.219.129 AS8075 Microsoft Corporation 0.37ms from London, GB
51.143.210.130 AS8075 Microsoft Corporation 0.31ms from London, GB
51.143.218.223 AS8075 Microsoft Corporation 0.37ms from London, GB
51.143.239.207 AS8075 Microsoft Corporation 0.18ms from London, GB
51.143.189.241 AS8075 Microsoft Corporation 0.26ms from London, GB
51.143.215.75 AS8075 Microsoft Corporation 0.30ms from London, GB
51.143.228.238 AS8075 Microsoft Corporation 0.19ms from London, GB
51.143.226.166 AS8075 Microsoft Corporation 0.18ms from London, GB
51.143.216.4 AS8075 Microsoft Corporation 0.35ms from London, GB
51.143.254.109 AS8075 Microsoft Corporation 0.27ms from London, GB
51.143.186.157 AS8075 Microsoft Corporation 0.21ms from London, GB
51.143.232.100 AS8075 Microsoft Corporation 0.22ms from London, GB
51.143.231.83 AS8075 Microsoft Corporation 0.18ms from London, GB
51.143.211.126 AS8075 Microsoft Corporation 0.19ms from London, GB
51.143.248.193 AS8075 Microsoft Corporation 0.19ms from London, GB

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
73.95.235.222 AS7922 Comcast Cable Communications, LLC 2.13ms from Denver, US
139.6.104.206 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 3.48ms from Duesseldorf, DE
178.27.191.254 AS3209 Vodafone GmbH 2.81ms from Hamburg, DE
42.112.234.62 AS18403 FPT Telecom Company 1.20ms from Hanoi, VN
39.104.140.62 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.24ms from Hohhot, CN
61.238.137.254 AS10103 HK Broadband Network Ltd. 1.24ms from Hong Kong, HK
119.236.186.254 AS4760 HKT Limited 1.01ms from Hong Kong, HK
52.56.147.190 AS16509 Amazon.com, Inc. 0.19ms from London, GB
185.13.141.46 AS8586 TalkTalk Communications Limited 2.09ms from Manchester, GB
173.164.26.142 AS7922 Comcast Cable Communications, LLC 8.49ms from Murfreesboro, US
129.211.250.110 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.07ms from Nanjing, CN
191.55.118.126 AS53006 ALGAR TELECOM S/A 10.97ms from Osasco, BR
52.126.40.62 AS8070 Microsoft Corporation 19.13ms from San Antonio, US
98.16.67.174 AS7029 Windstream Communications LLC 5.92ms from Secaucus, US
118.48.100.254 AS4766 Korea Telecom 1.75ms from Seoul, KR
51.254.34.206 AS16276 OVH SAS 0.18ms from Strasbourg, FR
105.98.167.110 AS36947 Telecom Algeria 8.89ms from Valencia, ES
185.131.50.94 AS56643 Uzak Yazilim Ve Bilisim Sistemleri Tic. Ltd. Sti 3.52ms from Ankara, TR
23.206.221.110 AS16625 Akamai Technologies, Inc. 0.47ms from Atlanta, US
50.187.105.158 AS7922 Comcast Cable Communications, LLC 7.53ms from Boston, US
23.226.140.126 AS20473 The Constant Company, LLC 0.11ms from Chicago, US
108.243.228.126 AS7018 AT&T Enterprises, LLC 8.14ms from Chicago, US
12.76.61.126 AS7018 AT&T Enterprises, LLC 3.39ms from Chicago, US
50.198.63.14 AS7922 Comcast Cable Communications, LLC 4.96ms from Chicago, US
178.25.78.254 AS3209 Vodafone GmbH 3.71ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -m6 51.142.138.25
traceroute to 51.142.138.25 (51.142.138.25): 6 hops max, 52 byte packets
2 [AS8075] 104.44.14.107 13.282 ms
3 [AS8075] 51.10.50.22 2.718 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in London, GB
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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