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IPV4

168.183.255.255

Record found
Retrieved · 29 Sep 2026, 22:19 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/168.183.255.255
Record found
Record ID
NET-168-183-0-0-1
Network name
UHC-B2
Address range
168.183.0.0 — 168.183.255.255
CIDR blocks
168.183.0.0/16
Network type
DIRECT ALLOCATION
Parent network
NET-168-0-0-0-0
Last changed
2026-03-31T14:38:55-04:00
Registered
1994-05-23T00:00:00-04:00
Status
active
Notices & terms 4

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.

Registration Comments

-----BEGIN CERTIFICATE----- MIIENzCCAx+gAwIBAgIUa9uVE4FQNA7gMlE/X4lLCkvEwDQYJKoZIhvcNAQEL BQAwgaoxCzAJBgNVBAYTAlVTMRIwEAYDVQQIDAlNaW5uZXNvdGExDzANBgNVBAcM BkNoYXNrYTEOMAwGA1UECgwFT3B0dW0xJTAjBgNVBAsMHEVkZ2UgJiBDdXN0b21l ciBDb25uZWN0aXZpdHkxHjAcBgNVBAMMFUludGVybmV0IEdhdGV3YXkoSVNPKTEf MB0GCSqGSIb3DQEJARYQZGFrb3RhQG9wdHVtLmNvbTAeFw0yNjAzMTIwMjI1NTZa Fw0yNzAzMTIwMjI1NTZaMIGqMQswCQYDVQQGEwJVUzESMBAGA1UECAwJTWlubmVz b3RhMQ8wDQYDVQQHDAZDaGFza2ExDjAMBgNVBAoMBU9wdHVtMSUwIwYDVQQLDBxF ZGdlICYgQ3VzdG9tZXIgQ29ubmVjdGl2aXR5MR4wHAYDVQQDDBVJbRlcm5ldCBH YXRld2F5KElTTykxHzAdBgkqhkiG9w0BCQEWEGRha290YUBvcHR1bS5jb20wggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC4FZV7DD31rz3Ncw9cZdqWSMW /XDsa2tfYlrZNhWXbMmRQY2hDyGwigq9++VA0PckNZB/5Xpb+SkJ445AF76VM2Od 9br+tEMKI5Q3WcdUd5Xh+gsl7RRHFCN9Nz7IjBwzGLaNUcQsaYqZoMyAYlEKzQ4 y64/Y2OSRT3w7dQ39hENr/hhRGOhZEAlaWLY5WecdmdrGZLlqqg+tR7TZoLfd9 CpmHDyzqktaytfGgpmok2OjJHgZN7t+5/HO0g+pZSwHcM3OVclr+zxQoNQ3NQe i6mFidKuLfbUI3rlU9A5K9GHPLSN1ZjjVaNkCsyX5lbCPcm5j7gUtcXBXq1hAgMB AAGjUzBRMB0GA1UdDgQWBBQi8s9V7GXUvY92jA5agqX0y8h6zAfBgNVHSMEGDAW gBQi8s9V7GXUvY92jA5agqX0y8h6zAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3 DQEBCwUAA4IBAQB6C8sPjkEMUFUHiPvMg6HsbJ0rGSvBhw1SGLiM/uwY4GgiPZ 9NqrYWTILzb00xfLGdoE6PZTKatWflx7ZckyCkQsFuiZSbp15Ou5gElksDM1kfjP dT7GX6x61OOqhSXpi83HYKg2esRRxS8UajRPaK/iriugfLFq4ugG49/37myMu8 0yflxbWCl35/sIpUmGdG7YO+3JUuGtp21YvRitUpowVHfPjDpRTxivL6dJWvIt2q rIku7mpoH4Kc63We/gRUu8qAsqqdom4AZmKIsEojDQRdNqmSUZWArmYqFYs7xCp k5xK9RvvShkjITvo36w5D77dzp/V5rFpRz -----END CERTIFICATE-----

Organizations & contacts

2
Organization / registrant
UnitedHealth Group Incorporated
UHC-5
Address
IP & DNS Team 6150 Trenton Lane Plymouth MN 55442 United States
Type
org

Registry · rdap.arin.net

Abuse · Administrative · Technical · Noc
United Healthcare Network OC
UHNO-ARIN
Address
6150 Trenton Lane North Plymouth MN 55442 United States
Organization
United Healthcare Technologies
Type
group
Email
inet_ops@uhc.com
Phone (work, voice)
+1-763-744-1588

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/168.183.255.255
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "168.183.0.0",
            "length": 16
        }
    ],
    "endAddress": "168.183.255.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-10-01T13:54:30-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2004-02-17T13:15:12-05:00"
                        }
                    ],
                    "handle": "UHNO-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/UHNO-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/UHNO-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "administrative",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "6150 Trenton Lane North\nPlymouth\nMN\n55442\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "United Healthcare Network OC"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "United Healthcare Technologies"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "inet_ops@uhc.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-763-744-1588"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2012-03-15T09:22:00-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1994-05-23T00:00:00-04:00"
                }
            ],
            "handle": "UHC-5",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UHC-5",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                },
                {
                    "href": "https://whois.arin.net/rest/org/UHC-5",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "UnitedHealth Group Incorporated"
                    ],
                    [
                        "adr",
                        {
                            "label": "IP & DNS Team\r\n6150 Trenton Lane\nPlymouth\nMN\n55442\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-10-01T13:54:30-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2004-02-17T13:15:12-05:00"
                }
            ],
            "handle": "UHNO-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UHNO-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/UHNO-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "abuse",
                "noc",
                "technical"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "6150 Trenton Lane North\nPlymouth\nMN\n55442\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "United Healthcare Network OC"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "United Healthcare Technologies"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "inet_ops@uhc.com"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-763-744-1588"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2026-03-31T14:38:55-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1994-05-23T00:00:00-04:00"
        }
    ],
    "handle": "NET-168-183-0-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/168.183.0.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-168-183-0-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/168.183.255.255"
        }
    ],
    "name": "UHC-B2",
    "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/168.183.255.255"
                }
            ],
            "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/168.183.255.255"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-168-0-0-0-0",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "remarks": [
        {
            "description": [
                "-----BEGIN CERTIFICATE-----",
                "MIIENzCCAx+gAwIBAgIUa9uVE4FQNA7gMlE/X4lLCkvEwDQYJKoZIhvcNAQEL",
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                "k5xK9RvvShkjITvo36w5D77dzp/V5rFpRz",
                "-----END CERTIFICATE-----"
            ],
            "title": "Registration Comments"
        }
    ],
    "startAddress": "168.183.0.0",
    "status": [
        "active"
    ],
    "type": "DIRECT ALLOCATION"
}