WHOIS lookup
Look up a domain, an IPv4 or IPv6 address or an AS number (ASN). For a domain: who registered it, which registrar holds it, when it expires and what its status codes mean. For an address or ASN: which network it belongs to, who holds it and where to report abuse. Asked over RDAP and classic WHOIS, of the registry and then the registrar.
52.98.179.248
IP addressHeld by Microsoft Corporation2 requests in 0.9 s2026-11-09 05:24:46 UTCRegistered
Network
| Range | 52.96.0.0 – 52.115.255.255 |
|---|---|
| CIDR | 52.96.0.0/12, 52.112.0.0/14 |
| Name | MSFT |
| Held by | Microsoft Corporation MSFT |
| Country | US |
| Type | DIRECT ALLOCATION |
| Handle | NET-52-96-0-0-1 · part of NET-52-0-0-0-0 |
| Registered | · 10 years, 11 months ago |
| Last changed | · 4 years, 10 months ago |
| Status | active |
| Report abuse | abuse@microsoft.com · +1-425-882-8080 |
| Registry | ARIN |
Reverse DNS and more: DNS lookup for 52.98.179.248.
WHOIS
The raw replies over port 43, as the whois command shows them.
ARIN whois.arin.net
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 52.96.0.0 - 52.115.255.255 CIDR: 52.96.0.0/12, 52.112.0.0/14 NetName: MSFT NetHandle: NET-52-96-0-0-1 Parent: NET52 (NET-52-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Microsoft Corporation (MSFT) RegDate: 2015-11-24 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/52.96.0.0 OrgName: Microsoft Corporation OrgId: MSFT Address: One Microsoft Way City: Redmond StateProv: WA PostalCode: 98052 Country: US RegDate: 1998-07-10 Updated: 2025-06-10 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: Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact: Comment: * abuse@microsoft.com. Comment: Comment: To report security vulnerabilities in Microsoft products and services, please contact: Comment: * secure@microsoft.com. Comment: Comment: For legal and law enforcement-related requests, please contact: Comment: * msndcc@microsoft.com Comment: Comment: For routing, peering or DNS issues, please Comment: contact: Comment: * IOC@microsoft.com Ref: https://rdap.arin.net/registry/entity/MSFT OrgTechHandle: BEDAR6-ARIN OrgTechName: Bedard, Dawn OrgTechPhone: +1-425-538-6637 OrgTechEmail: dabedard@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-ARIN OrgTechHandle: MRPD-ARIN OrgTechName: Microsoft Routing, Peering, and DNS OrgTechPhone: +1-425-882-8080 OrgTechEmail: IOC@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN OrgTechHandle: SINGH683-ARIN OrgTechName: Singh, Prachi OrgTechPhone: +1-425-707-5601 OrgTechEmail: pracsin@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-ARIN OrgRoutingHandle: CHATU3-ARIN OrgRoutingName: Chaturmohta, Somesh OrgRoutingPhone: +1-425-882-8080 OrgRoutingEmail: someshch@microsoft.com OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-ARIN OrgTechHandle: IPHOS5-ARIN OrgTechName: IPHostmaster, IPHostmaster OrgTechPhone: +1-425-538-6637 OrgTechEmail: iphostmaster@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/IPHOS5-ARIN OrgAbuseHandle: MAC74-ARIN OrgAbuseName: Microsoft Abuse Contact OrgAbusePhone: +1-425-882-8080 OrgAbuseEmail: abuse@microsoft.com OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #
RDAP
The JSON replies WHOIS is being replaced by.
ARIN https://rdap.arin.net/registry/ip/52.98.179.248
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "52.96.0.0",
"length": 12
},
{
"v4prefix": "52.112.0.0",
"length": 14
}
],
"endAddress": "52.115.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-26T12:36:11-04:00"
},
{
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/MRPD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"To report suspected security issues specific to \r",
"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"
}
],
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Microsoft Routing, Peering, and DNS"
],
[
"org",
[],
"text",
"Microsoft Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"IOC@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-425-882-8080"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-07-11T19:59:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-13T16:28:52-04:00"
}
],
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/SINGH683-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"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",
"4.0"
],
[
"adr",
{
"label": "1 Microsoft Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Prachi Singh"
],
[
"n",
[],
"text",
[
"Singh",
"Prachi",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"pracsin@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-425-707-5601"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-22T18:49:57-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-10-13T17:30:13-04:00"
}
],
"handle": "IPHOS5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPHOS5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/IPHOS5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "One Microsoft Way\nRedmond\nWA\n20147\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IPHostmaster IPHostmaster"
],
[
"n",
[],
"text",
[
"IPHostmaster",
"IPHostmaster",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"iphostmaster@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-425-538-6637"
]
]
]
},
{
"events": [
{
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/BEDAR6-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1 Redmond Way\nRedmond\nWA\n98052\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Dawn Bedard"
],
[
"n",
[],
"text",
[
"Bedard",
"Dawn",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"dabedard@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/MAC74-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"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",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Microsoft Abuse Contact"
],
[
"org",
[],
"text",
"Microsoft Corporation"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"abuse@microsoft.com"
],
[
"tel",
{
"type": [
"work",
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/poc/CHATU3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"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/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/org/MSFT",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"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",
[
"",
"",
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"",
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""
]
],
[
"kind",
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"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:49-05:00"
},
{
"eventAction": "registration",
"eventDate": "2015-11-24T13:08:59-05:00"
}
],
"handle": "NET-52-96-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/52.96.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
},
{
"href": "https://whois.arin.net/rest/net/NET-52-96-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/52.98.179.248"
}
],
"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/52.98.179.248"
}
],
"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/52.98.179.248"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-52-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "52.96.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}Servers asked
| Protocol | Server | Result | Time |
|---|---|---|---|
| RDAP | https://rdap.arin.net/registry/ip/52.98.179.248 | HTTP 200 | 618 ms |
| WHOIS | whois.arin.net “n + 52.98.179.248” | 3,474 bytes | 298 ms |