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AS WHOIS

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

Your public IP address216.73.216.205 IPv4

AS27353

IUHEALTH-ASN - Indiana University Health Inc. Announcing routes
AS nameIUHEALTH-ASN
OrganisationIndiana University Health Inc.
Registry (RIR)ARIN
HandleAS27353
RangeAS27353
Registered21 Feb 2003
Last changed11 Oct 2019
11IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS19009ONECLEVELAND - OneCleveland485
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC267

Downstreams

None seen.

IPv4 prefixes (11)

RPKI-validate all prefixes of AS27353

Contacts

RoleNameHandleEmail / phoneAddress
registrantIndiana University Health Inc.IUH-9950 N. Meridian, Suite 300, Indianapolis, IN, 46204, United States
technicalBrian ReisingerREISI5-ARIN[email protected], +1-317-294-9128250 N. Shadeland, Indianapolis, IN, 46219, United States
abuse, administrative, technicalJOSEPH SULLIVANSULLI65-ARIN[email protected], [email protected], +1-317-626-7183250 N. Shadeland Ave, Indianapolis, IN, 46219, United States
Raw registry response
{
    "endAutnum": 27353,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-10-21T08:47:52-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2026-10-21T08:47:52-04:00"
                        }
                    ],
                    "handle": "REISI5-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/REISI5-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/27353"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/REISI5-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/27353"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "250 N. Shadeland\nIndianapolis\nIN\n46219\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Brian Reisinger"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Reisinger",
                                    "Brian",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-317-294-9128"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-03-02T14:02:02-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2013-07-13T04:03:51-04:00"
                        }
                    ],
                    "handle": "SULLI65-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/SULLI65-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/27353"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/SULLI65-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/27353"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "administrative",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "250 N. Shadeland Ave\nIndianapolis\nIN\n46219\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "JOSEPH SULLIVAN"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "SULLIVAN",
                                    "JOSEPH",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-317-626-7183"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-10-21T09:21:03-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2019-03-07T09:01:45-05:00"
                }
            ],
            "handle": "IUH-9",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/IUH-9",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/27353"
                },
                {
                    "href": "https://whois.arin.net/rest/org/IUH-9",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/27353"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Indiana University Health Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "950 N. Meridian, Suite 300\nIndianapolis\nIN\n46204\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2019-10-11T11:45:41-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2003-02-20T16:36:32-05:00"
        }
    ],
    "handle": "AS27353",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/27353",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/27353"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS27353",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/27353"
        }
    ],
    "name": "IUHEALTH-ASN",
    "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/27353"
                }
            ],
            "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/27353"
                }
            ],
            "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"
    ],
    "startAutnum": 27353,
    "status": [
        "active"
    ]
}

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