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IPV4

158.158.0.0

Record found
Retrieved · 22 Sep 2026, 18:09 UTC1 sourceView JSON
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01

Registry record

RDAPhttps://rdap.apnic.net/ip/158.158.0.0
Record found
Network name
MICROSOFT-APNIC-AP
Address range
158.158.0.0158.158.255.255
CIDR blocks
158.158.0.0/16
Network type
ALLOCATED PORTABLE
Country in registry
SG
Registered
2019-04-16T08:32:04Z
Last changed
2022-12-16T05:54:14Z
Status
active
Notices & terms 5

Source

Objects returned came from source APNIC

Terms and Conditions

This is the APNIC WHOIS Database query service. The objects are in RDAP format. http://www.apnic.net/db/dbcopyright.html

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form

description

Microsoft Singapore Pte. Ltd.

remarks

-------------------------------------------------------- To report network abuse, please contact mnt-irt For troubleshooting, please contact tech-c and admin-c Report invalid contact via www.apnic.net/invalidcontact

Organizations & contacts

5
Organization / registrant
Microsoft Singapore Pte. Ltd.
ORG-MSPL4-AP
Type
org
Address
One Microsoft Way
Phone (voice)
+011-425-706-8080
Fax
+011-425-936-7329
Email
dawn.bedard@microsoft.com

Registry · rdap.apnic.net

Administrative
Dawn Bedard
DB662-AP
Type
individual
Address
One Microsoft Way
Phone (voice)
+0114257062751
Email
dabedard@microsoft.com

Registry · rdap.apnic.net

Technical
MSFT POC
MP234-AP
Type
individual
Address
One Microsft Way Redmond, WA 98052 US
Phone (voice)
+1-425-882-8080
Email
iprrms@microsoft.com

Registry · rdap.apnic.net

Abuse
IRT-MICROSOFT-APNIC-SG
Type
group
Address
One Microsft Way Redmond, WA 98052 US
Email
abuse@microsoft.com
remarks
abuse@microsoft.com is invalid

Registry · rdap.apnic.net

Abuse
IRT-MOPL-SG
Type
group
Address
80 Raffles Place,
Email
abuse@microsoft.com
remarks
abuse@microsoft.com is invalid

Registry · rdap.apnic.net

Route / route6 records IRR

whois.apnic.net:43

BGP observations →

Exact and covering objects from APNIC. These are registered routing policies; they do not confirm a live announcement.

Origin
AS8075
Source
APNIC

Microsoft Singapore Pte. Ltd. One Microsoft Way

Routing object details
route: 158.158.0.0/16
origin: AS8075
descr: Microsoft Singapore Pte. Ltd.
One Microsoft Way
mnt-by: MAINT-AP-MICROSOFT
mnt-by: MAINT-MOPL-SG
last-modified: 2022-12-16T05:54:15Z
source: APNIC
Registry · RDAP Original response
https://rdap.apnic.net/ip/158.158.0.0
{
    "rdapConformance": [
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        "cidr0",
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    "notices": [
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "APNIC"
            ]
        },
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the APNIC WHOIS Database query service. The objects are in RDAP format."
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "terms-of-service",
                    "href": "http://www.apnic.net/db/dbcopyright.html",
                    "type": "text/html"
                }
            ]
        },
        {
            "title": "Whois Inaccuracy Reporting",
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "SG",
    "name": "MICROSOFT-APNIC-AP",
    "status": [
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    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2019-04-16T08:32:04Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2022-12-16T05:54:14Z"
        }
    ],
    "links": [
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            "type": "application/rdap+json"
        }
    ],
    "remarks": [
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            ],
            "title": "description"
        },
        {
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                "--------------------------------------------------------",
                "To report network abuse, please contact mnt-irt",
                "For troubleshooting, please contact tech-c and admin-c",
                "Report invalid contact via www.apnic.net/invalidcontact",
                "--------------------------------------------------------"
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
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            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2019-03-25T16:26:42Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2019-03-25T16:26:42Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/DB662-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "DB662-AP",
            "objectClassName": "entity",
            "vcardArray": [
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                [
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                            "label": "One Microsoft Way"
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        },
        {
            "roles": [
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            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2008-09-04T07:32:53Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2008-09-04T07:32:53Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/MP234-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "MP234-AP",
            "objectClassName": "entity",
            "vcardArray": [
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                            "label": "One Microsft Way\nRedmond, WA 98052\nUS"
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                    ]
                ]
            ]
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2010-11-24T04:52:00Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-11-18T00:26:27Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "self",
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                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "abuse@microsoft.com is invalid"
                    ],
                    "title": "remarks"
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                    "eventAction": "registration",
                    "eventDate": "2022-11-16T00:30:19Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-11-18T00:36:31Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/IRT-MOPL-SG",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "abuse@microsoft.com is invalid"
                    ],
                    "title": "remarks"
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            ],
            "handle": "IRT-MOPL-SG",
            "objectClassName": "entity",
            "vcardArray": [
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                    [
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                        {
                            "label": "80 Raffles Place,"
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                {
                    "eventAction": "registration",
                    "eventDate": "2017-11-09T12:56:40Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2020-05-27T12:56:32Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/158.158.0.0",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/ORG-MSPL4-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "ORG-MSPL4-AP",
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        }
    ],
    "handle": "158.158.0.0 - 158.158.255.255",
    "type": "ALLOCATED PORTABLE",
    "startAddress": "158.158.0.0",
    "endAddress": "158.158.255.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "158.158.0.0",
            "length": 16
        }
    ],
    "port43": "whois.apnic.net"
}