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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.216.24 IPv4

AS46512

UT-MEDICAL-CENTER - University of Tennessee Medical Center Announcing routescached
AS nameUT-MEDICAL-CENTER
OrganisationUniversity of Tennessee Medical Center
Registry (RIR)ARIN
HandleAS46512
RangeAS46512
Registered08 Oct 2008
Last changed02 Mar 2012
5IPv4 prefixes
0IPv6 prefixes
4Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS3450UTK - University of Tennessee283
AS22909COMCAST-22909 - Comcast Cable Communications, LLC253
AS701UUNET - Verizon Business238
AS7018ATT-INTERNET4 - AT&T Enterprises, LLC26

Downstreams

None seen.

IPv4 prefixes (5)

RPKI-validate all prefixes of AS46512

Contacts

RoleNameHandleEmail / phoneAddress
registrantUniversity of Tennessee Medical CenterUHS-1351924 Alcoa Highway, Knoxville, TN, 37920, United States
administrativeAdminADMIN8851-ARIN[email protected], +1-865-305-43571924 Alcoa Hwy, Knoxville, TN, 37920, United States
technicalTechTECH308-ARIN[email protected], +1-865-305-43571924 Alcoa Hwy, Knoxville, TN, 37920, United States
abuseAbuseABUSE9145-ARIN[email protected], +1-865-305-43571924 Alcoa Hwy, Knoxville, TN, 37920, United States
abuseNetwork AbuseNETWO2582-ARIN[email protected], +1-865-251-45001924 Alcoa Highway, Knoxville, TN, 37920, United States
nocNOCNOC3140-ARIN[email protected], +1-865-251-45001924 Alcoa Hwy, Knoxville, TN, 37920, United States
technicalTechTECH308-ARIN[email protected], +1-865-305-43571924 Alcoa Hwy, Knoxville, TN, 37920, United States
Raw registry response
{
    "endAutnum": 46512,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-30T08:41:21-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-09-30T11:51:13-04:00"
                        }
                    ],
                    "handle": "ADMIN8851-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ADMIN8851-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ADMIN8851-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://www.utmedicalcenter.org/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
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                                "4.0"
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                            [
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                                {
                                    "label": "1924 Alcoa Hwy\nKnoxville\nTN\n37920\nUnited States"
                                },
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                                ]
                            ],
                            [
                                "fn",
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                                "text",
                                "Admin"
                            ],
                            [
                                "org",
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                            ],
                            [
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                            [
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                                "text",
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                            ],
                            [
                                "tel",
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                                "text",
                                "+1-865-305-4357"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-30T08:41:29-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2008-06-23T13:54:12-04:00"
                        }
                    ],
                    "handle": "TECH308-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/TECH308-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/TECH308-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://www.utmedicalcenter.org"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
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                                "version",
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                                "4.0"
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                                "adr",
                                {
                                    "label": "1924 Alcoa Hwy\nKnoxville\nTN\n37920\nUnited States"
                                },
                                "text",
                                [
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                                    "",
                                    "",
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                            [
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                                "text",
                                "Tech"
                            ],
                            [
                                "org",
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                                "University Health System, Inc."
                            ],
                            [
                                "kind",
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                            [
                                "email",
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                            [
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                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-30T08:41:10-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-09-30T11:50:04-04:00"
                        }
                    ],
                    "handle": "ABUSE9145-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ABUSE9145-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ABUSE9145-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/46512"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://www.utmedicalcenter.org/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
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                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1924 Alcoa Hwy\nKnoxville\nTN\n37920\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Abuse"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "University Health System, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-865-305-4357"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-02-04T15:22:05-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-06-24T08:13:59-04:00"
                }
            ],
            "handle": "UHS-135",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UHS-135",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                },
                {
                    "href": "https://whois.arin.net/rest/org/UHS-135",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "University of Tennessee Medical Center"
                    ],
                    [
                        "adr",
                        {
                            "label": "1924 Alcoa Highway\nKnoxville\nTN\n37920\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2008-06-23T14:00:08-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-06-23T14:00:08-04:00"
                }
            ],
            "handle": "NETWO2582-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/NETWO2582-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/NETWO2582-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                }
            ],
            "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 2010-06-17"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "abuse"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
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                    ],
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                        },
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                            "",
                            "",
                            "",
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                    ],
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                    ],
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                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
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                                "voice"
                            ]
                        },
                        "text",
                        "+1-865-251-4500"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2008-06-23T13:54:08-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-06-23T13:54:08-04:00"
                }
            ],
            "handle": "NOC3140-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/NOC3140-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/NOC3140-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                }
            ],
            "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 2010-06-18"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "noc"
            ],
            "vcardArray": [
                "vcard",
                [
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                        "version",
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                    ],
                    [
                        "adr",
                        {
                            "label": "1924 Alcoa Hwy\nKnoxville\nTN\n37920\nUnited States"
                        },
                        "text",
                        [
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                            "",
                            "",
                            "",
                            "",
                            "",
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                    ],
                    [
                        "org",
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                        "text",
                        "University Health System"
                    ],
                    [
                        "kind",
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                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-865-251-4500"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-09-30T08:41:29-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-06-23T13:54:12-04:00"
                }
            ],
            "handle": "TECH308-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/TECH308-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/TECH308-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/46512"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "https://www.utmedicalcenter.org"
                    ],
                    "title": "Registration Comments"
                }
            ],
            "roles": [
                "technical"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
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                            "label": "1924 Alcoa Hwy\nKnoxville\nTN\n37920\nUnited States"
                        },
                        "text",
                        [
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                            "",
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                    ],
                    [
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                    ],
                    [
                        "org",
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                        "text",
                        "University Health System, Inc."
                    ],
                    [
                        "kind",
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                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
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                                "voice"
                            ]
                        },
                        "text",
                        "+1-865-305-4357"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2012-03-02T08:03:18-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2008-10-07T16:24:00-04:00"
        }
    ],
    "handle": "AS46512",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/46512",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/46512"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS46512",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/46512"
        }
    ],
    "name": "UT-MEDICAL-CENTER",
    "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/autnum/46512"
                }
            ],
            "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/autnum/46512"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "autnum",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "nro_rdap_profile_asn_flat_0"
    ],
    "remarks": [
        {
            "description": [
                "www.utmedicalcenter.org"
            ],
            "title": "Registration Comments"
        }
    ],
    "startAutnum": 46512,
    "status": [
        "active"
    ]
}

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