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IPV4

157.150.34.57

Record found
Retrieved · 09 Oct 2026, 17:11 UTC1 sourceView JSON
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01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/157.150.34.57
Record found
Record ID
NET-157-150-0-0-1
Network name
UN-NET
Address range
157.150.0.0 — 157.150.255.255
CIDR blocks
157.150.0.0/16
Network type
DIRECT ALLOCATION
Parent network
NET-157-0-0-0-0
Last changed
2021-12-14T20:28:37-05:00
Registered
1992-02-14T00:00:00-05:00
Status
active
Notices & terms 3

Terms of Service

By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use https://www.arin.net/resources/registry/whois/tou/

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.arin.net/resources/registry/whois/inaccuracy_reporting/

Copyright Notice

Copyright 1997-2026, American Registry for Internet Numbers, Ltd.

Organizations & contacts

4
Organization / registrant
United Nations
UNITED-2
Address
United Nations secretariat 405 East 42nd St New York NY 10017 United States
Type
org

Registry · rdap.arin.net

Administrative
Malcolm Chapman
CHAPM4-ARIN
Address
405 East 42nd Street S-1931C New York NY 10017 United States
Name
Chapman Malcolm
Type
individual
Email
chapmanm@un.org
Phone (work, voice)
+1-917-367-2774
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2021-06-25

Registry · rdap.arin.net

Technical · Abuse
Andrew John Linehan
AJL5-ARIN
Address
405 East 42nd Street DC1-1046 New York NY 10017 United States
Name
Linehan Andrew John
Type
individual
Email
linehan@un.org
Phone (work, voice)
+1-212-963-9439
Phone (work, cell)
+1-347-749-1156
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2021-10-06

Registry · rdap.arin.net

Technical · Abuse
Olivier Debargue
DEBAR-ARIN
Address
Room S-1937, 405 East 42nd St New York NY 10017 United States
Name
Debargue Olivier
Type
individual
Email
debargue@un.org
Phone (work, voice)
+1-917-367-0765
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2020-07-07

Registry · rdap.arin.net

Route / route6 records IRR

rr.arin.net:43

BGP observations →

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

No matching route objects were returned by this registry. Records may exist in another IRR.

Registry · RDAP Original response
https://rdap.arin.net/registry/ip/157.150.34.57
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "157.150.0.0",
            "length": 16
        }
    ],
    "endAddress": "157.150.255.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2020-10-06T09:37:51-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2010-01-05T10:14:25-05:00"
                        }
                    ],
                    "handle": "AJL5-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/AJL5-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/AJL5-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        }
                    ],
                    "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 2021-10-06"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "405 East 42nd Street\nDC1-1046\nNew York\nNY\n10017\nUnited States"
                                },
                                "text",
                                [
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                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Andrew John Linehan"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Linehan",
                                    "Andrew",
                                    "John",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "linehan@un.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-212-963-9439"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "cell"
                                    ]
                                },
                                "text",
                                "+1-347-749-1156"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2019-07-08T08:51:24-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2010-03-12T14:23:58-05:00"
                        }
                    ],
                    "handle": "DEBAR-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/DEBAR-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/DEBAR-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        }
                    ],
                    "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 2020-07-07"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "Room S-1937, 405 East 42nd St\nNew York\nNY\n10017\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Olivier Debargue"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Debargue",
                                    "Olivier",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "debargue@un.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-917-367-0765"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2020-06-25T15:56:49-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2010-01-06T11:32:00-05:00"
                        }
                    ],
                    "handle": "CHAPM4-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/CHAPM4-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/CHAPM4-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                        }
                    ],
                    "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 2021-06-25"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "405 East 42nd Street\r\nS-1931C\nNew York\nNY\n10017\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Malcolm Chapman"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Chapman",
                                    "Malcolm",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "chapmanm@un.org"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-917-367-2774"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-11-25T11:09:46-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1992-02-14T00:00:00-05:00"
                }
            ],
            "handle": "UNITED-2",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UNITED-2",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                },
                {
                    "href": "https://whois.arin.net/rest/org/UNITED-2",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "United Nations"
                    ],
                    [
                        "adr",
                        {
                            "label": "United Nations secretariat\r\n405 East 42nd St\nNew York\nNY\n10017\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2019-07-08T08:51:24-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2010-03-12T14:23:58-05:00"
                }
            ],
            "handle": "DEBAR-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/DEBAR-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/DEBAR-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
                }
            ],
            "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 2020-07-07"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "technical"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "Room S-1937, 405 East 42nd St\nNew York\nNY\n10017\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Olivier Debargue"
                    ],
                    [
                        "n",
                        [],
                        "text",
                        [
                            "Debargue",
                            "Olivier",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "debargue@un.org"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-917-367-0765"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2021-12-14T20:28:37-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1992-02-14T00:00:00-05:00"
        }
    ],
    "handle": "NET-157-150-0-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/157.150.0.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-157-150-0-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/157.150.185.69"
        }
    ],
    "name": "UN-NET",
    "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/157.150.185.69"
                }
            ],
            "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/157.150.185.69"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-157-0-0-0-0",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "startAddress": "157.150.0.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}