150.171.109.199
- No reverse DNS
- Not on blocklists
- Network
- MSFT
- Held by
- Microsoft Corporation
- Range
- 150.171.0.0 - 150.171.255.255
- CIDR
- 150.171.0.0/16
- Type
- DIRECT ALLOCATION
- Registered on
- Last updated
- Status
- active
- Report abuse to
- abuse@microsoft.com
And 108 more
As the route collectors of RIPEstat see them
1,233 IPv4 prefixes covering 81,116,672 addresses, and 122 IPv6 prefixes
And 1,183 more
And 72 more
From bgp.tools
Location from GeoLite2 data created by MaxMind
From AbuseIPDB
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '150.0.0.0 - 150.255.255.255' % Abuse contact for '150.0.0.0 - 150.255.255.255' is 'helpdesk@apnic.net' inetnum: 150.0.0.0 - 150.255.255.255 netname: ERX-NETBLOCK descr: Early registration addresses country: AU admin-c: HM20-AP tech-c: NO4-AP abuse-c: AA1452-AP status: ALLOCATED PORTABLE remarks: ------------------------------------------------------ remarks: Important: remarks: remarks: This range was initially allocated by InterNIC prior to the remarks: formation of Regional Internet Registries (RIRs). The early remarks: registration transfer project (ERX) transferred these blocks remarks: to be administered by each RIR based on the region in which remarks: the majority of resource holders resided. remarks: remarks: This early registration block has been transferred to APNIC's remarks: administration. However, not all of the resources under this remarks: block have been transferred to APNIC. remarks: remarks: For information on the Early Registration Transfer (ERX) remarks: project, see: http://www.apnic.net/db/erx remarks: remarks: ------------------------------------------------------ mnt-by: APNIC-HM mnt-lower: APNIC-HM mnt-irt: IRT-APNIC-AP last-modified: 2026-09-23T22:33:02Z source: APNIC irt: IRT-APNIC-AP address: Brisbane, Australia e-mail: helpdesk@apnic.net abuse-mailbox: helpdesk@apnic.net admin-c: HM20-AP tech-c: NO4-AP remarks: APNIC is a Regional Internet Registry. remarks: We do not operate the referring network and remarks: are unable to investigate complaints of network abuse. remarks: For information about IRT, see www.apnic.net/irt remarks: helpdesk@apnic.net was validated on 2020-02-03 auth: # Filtered mnt-by: APNIC-HM last-modified: 2025-11-18T00:26:21Z source: APNIC role: ABUSE APNICAP country: ZZ address: Brisbane, Australia phone: +000000000 e-mail: helpdesk@apnic.net admin-c: HM20-AP tech-c: NO4-AP nic-hdl: AA1452-AP remarks: Generated from irt object IRT-APNIC-AP remarks: helpdesk@apnic.net was validated on 2020-02-03 abuse-mailbox: helpdesk@apnic.net mnt-by: APNIC-ABUSE last-modified: 2025-11-28T01:00:58Z source: APNIC role: APNIC Hostmaster address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:00Z source: APNIC person: APNIC Network Operations address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: netops@apnic.net nic-hdl: NO4-AP remarks: Administrator for APNIC Network Operations notify: helpdesk@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:01Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)
From https://rdap.apnic.net/ip/150.171.109.199
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "150.171.0.0",
"length": 16
}
],
"endAddress": "150.171.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-10-16T14:01:14-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-08-20T19:26:59-04:00"
}
],
"handle": "MRPD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MRPD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/MRPD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
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"traffic emanating from Microsoft online services, \r",
"including the distribution of malicious content \r",
"or other illicit or illegal material through a \r",
"Microsoft online service, please submit reports \r",
"to:\r",
"* https://cert.microsoft.com. \r",
"\r",
"For SPAM and other abuse issues, such as Microsoft \r",
"Accounts, please contact:\r",
"* abuse@microsoft.com. \r",
"\r",
"To report security vulnerabilities in Microsoft \r",
"products and services, please contact:\r",
"* secure@microsoft.com. \r",
"\r",
"For legal and law enforcement-related requests, \r",
"please contact:\r",
"* msndcc@microsoft.com\r",
"\r",
"For routing, peering or DNS issues, please \r",
"contact:\r",
"* IOC@microsoft.com"
],
"title": "Registration Comments"
}
],
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],
"status": [
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"vcardArray": [
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"version",
{},
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],
[
"adr",
{
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},
"text",
[
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],
[
"fn",
{},
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"Microsoft Routing, Peering, and DNS"
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[
"org",
{},
"text",
"Microsoft Corporation"
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[
"kind",
{},
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"group"
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[
"email",
{},
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"IOC@microsoft.com"
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[
"tel",
{
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"text",
"+1-425-882-8080"
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]
},
{
"events": [
{
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"eventDate": "2023-07-11T19:59:19-04:00"
},
{
"eventAction": "registration",
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}
],
"handle": "SINGH683-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SINGH683-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/SINGH683-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2024-07-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
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],
[
"adr",
{
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},
"text",
[
"",
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""
]
],
[
"fn",
{},
"text",
"Prachi Singh"
],
[
"n",
{},
"text",
[
"Singh",
"Prachi",
"",
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]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"pracsin@microsoft.com"
],
[
"tel",
{
"type": [
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"text",
"+1-425-707-5601"
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},
{
"events": [
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},
{
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"eventDate": "2021-10-13T17:30:13-04:00"
}
],
"handle": "IPHOS5-ARIN",
"links": [
{
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"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/IPHOS5-ARIN",
"rel": "alternate",
"type": "application/xml",
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}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
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"status": [
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],
"vcardArray": [
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[
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{},
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[
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{
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},
"text",
[
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"",
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""
]
],
[
"fn",
{},
"text",
"IPHostmaster IPHostmaster"
],
[
"n",
{},
"text",
[
"IPHostmaster",
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""
]
],
[
"kind",
{},
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"individual"
],
[
"email",
{},
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"iphostmaster@microsoft.com"
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[
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"text",
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},
{
"events": [
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"eventAction": "last changed",
"eventDate": "2025-08-19T10:44:04-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-10-20T15:51:33-04:00"
}
],
"handle": "BEDAR6-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BEDAR6-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/BEDAR6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
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[
"adr",
{
"label": "1 Redmond Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
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]
],
[
"fn",
{},
"text",
"Dawn Bedard"
],
[
"n",
{},
"text",
[
"Bedard",
"Dawn",
"",
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""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"dabedard@microsoft.com"
],
[
"tel",
{
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"voice"
]
},
"text",
"+1-425-538-6637"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-22T18:50:12-04:00"
},
{
"eventAction": "registration",
"eventDate": "2013-08-20T19:24:57-04:00"
}
],
"handle": "MAC74-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MAC74-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/MAC74-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"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 https://cert.microsoft.com. \r",
"For SPAM and other abuse issues, such as Microsoft Accounts, please contact abuse@microsoft.com. \r",
"To report security vulnerabilities in Microsoft products and services, please contact secure@microsoft.com. \r",
"For legal and law enforcement-related requests, please contact msndcc@microsoft.com\r",
"For routing, peering or DNS issues, please contact IOC@microsoft.com"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
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"",
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"",
""
]
],
[
"fn",
{},
"text",
"Microsoft Abuse Contact"
],
[
"org",
{},
"text",
"Microsoft Corporation"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"abuse@microsoft.com"
],
[
"tel",
{
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"voice"
]
},
"text",
"+1-425-882-8080"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-10T19:08:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-13T16:26:16-04:00"
}
],
"handle": "CHATU3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CHATU3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/poc/CHATU3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "One Microsoft way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Somesh Chaturmohta"
],
[
"n",
{},
"text",
[
"Chaturmohta",
"Somesh",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"someshch@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-425-882-8080"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-10T13:41:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "1998-07-10T00:00:00-04:00"
}
],
"handle": "MSFT",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MSFT",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/org/MSFT",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"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:\r",
"* https://cert.microsoft.com. \r",
"\r",
"For SPAM and other abuse issues, such as Microsoft Accounts, please contact:\r",
"* abuse@microsoft.com. \r",
"\r",
"To report security vulnerabilities in Microsoft products and services, please contact:\r",
"* secure@microsoft.com. \r",
"\r",
"For legal and law enforcement-related requests, please contact:\r",
"* msndcc@microsoft.com\r",
"\r",
"For routing, peering or DNS issues, please \r",
"contact:\r",
"* IOC@microsoft.com"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Microsoft Corporation"
],
[
"adr",
{
"label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:33-05:00"
},
{
"eventAction": "registration",
"eventDate": "2015-11-24T13:09:08-05:00"
}
],
"handle": "NET-150-171-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/150.171.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
},
{
"href": "https://whois.arin.net/rest/net/NET-150-171-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"name": "MSFT",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/150.171.109.199"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-150-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "150.171.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}