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AS WHOIS

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

Your public IP address216.73.217.140 IPv4

AS396151

STEWARDHEALTHCARE - Steward Health Care System LLC Announcing routes
AS nameSTEWARDHEALTHCARE
OrganisationSteward Health Care System LLC
Registry (RIR)ARIN
HandleAS396151
RangeAS396151
Registered22 Mar 2017
Last changed31 May 2024
18IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC149
AS7015COMCAST-7015 - Comcast Cable Communications, LLC149
AS17378AS17378 - TierPoint, LLC145

Downstreams

None seen.

IPv4 prefixes (18)

RPKI-validate all prefixes of AS396151

Contacts

RoleNameHandleEmail / phoneAddress
registrantSteward Health Care System LLCSHCSL2120 Dorchester Ave, Dorchester, MA, 02124, United States
abuse, technicalBrandon RossiROSSI127-ARIN[email protected], [email protected], +1-304-602-70301900 North Pearl st, Suite 2400, Dallas, TX, 75201, United States
technical, abuseJoe NordoneNORDO6-ARIN[email protected], +1-617-690-68041900 N Pearl Street, Suite 2400, Dallas, TX, 75201, United States
abuse, technicalJoseph NordoneNORDO4-ARIN[email protected], +1-617-690-68042120 Dorchester Ave, Dorchester, MA, 02124, United States
administrative, technical, abuseMicheal ThompsonTHOMP1256-ARIN[email protected], +1-617-845-36521900 N Pearl Steet, ste 2400, Dallas, TX, 75201, United States
Raw registry response
{
    "endAutnum": 396151,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-02-02T11:22:55-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2023-05-02T15:12:47-04:00"
                        }
                    ],
                    "handle": "ROSSI127-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ROSSI127-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ROSSI127-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1900 North Pearl st\nSuite 2400\nDallas\nTX\n75201\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Brandon Rossi"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Rossi",
                                    "Brandon",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-304-602-7030"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2024-08-05T16:59:54-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2021-04-19T18:01:39-04:00"
                        }
                    ],
                    "handle": "NORDO6-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NORDO6-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NORDO6-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        }
                    ],
                    "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 2025-08-05"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1900 N Pearl Street\nSuite 2400\nDallas\nTX\n75201\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Joe Nordone"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Nordone",
                                    "Joe",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-617-690-6804"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2023-05-02T14:43:55-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2019-10-21T11:37:02-04:00"
                        }
                    ],
                    "handle": "NORDO4-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NORDO4-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NORDO4-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        }
                    ],
                    "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 2024-05-01"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "abuse",
                        "technical"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2120 Dorchester Ave\nDorchester\nMA\n02124\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Joseph Nordone"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Nordone",
                                    "Joseph",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-617-690-6804"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-09-09T12:18:22-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-08-05T16:51:45-04:00"
                        }
                    ],
                    "handle": "THOMP1256-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/THOMP1256-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/THOMP1256-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/396151"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "administrative",
                        "technical",
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1900 N Pearl Steet\nste 2400\nDallas\nTX\n75201\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Micheal Thompson"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Thompson",
                                    "Micheal",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-617-845-3652"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-08-05T17:00:32-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2015-01-05T10:07:07-05:00"
                }
            ],
            "handle": "SHCSL",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/SHCSL",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/396151"
                },
                {
                    "href": "https://whois.arin.net/rest/org/SHCSL",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/396151"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Steward Health Care System LLC"
                    ],
                    [
                        "adr",
                        {
                            "label": "2120 Dorchester Ave\nDorchester\nMA\n02124\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2024-05-30T15:35:48-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2017-03-21T15:19:27-04:00"
        }
    ],
    "handle": "AS396151",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/396151",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/396151"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS396151",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/396151"
        }
    ],
    "name": "STEWARDHEALTHCARE",
    "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/396151"
                }
            ],
            "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/396151"
                }
            ],
            "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": 396151,
    "status": [
        "active"
    ]
}

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