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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

AS53519

CMHC-ASN - Central Maine Medical Family Announcing routes
AS nameCMHC-ASN
OrganisationCentral Maine Medical Family
Registry (RIR)ARIN
HandleAS53519
RangeAS53519
Registered28 May 2010
Last changed02 Mar 2012
4IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS11351TWC-11351-NORTHEAST - Charter Communications Inc425
AS13536TVC-AS1 - FirstLight Fiber, Inc.12

Downstreams

None seen.

IPv4 prefixes (4)

RPKI-validate all prefixes of AS53519

Contacts

RoleNameHandleEmail / phoneAddress
registrantCentral Maine Medical FamilyCMHC300 Main Street, Lewiston, ME, 04240, United States
technicalJimmy NguyenNGUYE1448-ARIN[email protected], +1-714-227-54663300 E. Guasti Rd, Ontario, CA, 91764, United States
technicalEric HebertHEBER125-ARIN[email protected], +1-508-928-32623300 E. Guasti Rd, Ontario, CA, 91764, United States
technicalRobert KavanaghKAVAN48-ARIN[email protected], +1-949-861-09993300 E. Guasti Rd, Ontario, CA, 91761, United States
abuse, noc, administrativeSam LazarusLAZAR14-ARIN[email protected], +1-909-235-4244, +1-909-319-33333300 E. Guasti Rd., Ontario, CA, 91761, United States
noc, technical, abuseCMHC HostmasterCMHCH-ARIN[email protected], +1-207-795-595529 Lowell St, Suite 200, Lewiston, ME, 04240, United States
Raw registry response
{
    "endAutnum": 53519,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-18T12:21:43-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2023-09-07T18:12:15-04:00"
                        }
                    ],
                    "handle": "NGUYE1448-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NGUYE1448-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NGUYE1448-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "3300 E. Guasti Rd\nOntario\nCA\n91764\nUnited States"
                                },
                                "text",
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                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
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                            ],
                            [
                                "fn",
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                                "text",
                                "Jimmy Nguyen"
                            ],
                            [
                                "n",
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                            [
                                "email",
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                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-714-227-5466"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-12-14T18:13:58-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2022-02-11T10:20:38-05:00"
                        }
                    ],
                    "handle": "HEBER125-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/HEBER125-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/HEBER125-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
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                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "3300 E. Guasti Rd\nOntario\nCA\n91764\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Eric Hebert"
                            ],
                            [
                                "n",
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                                "text",
                                [
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                                ]
                            ],
                            [
                                "kind",
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                                "text",
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                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-508-928-3262"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-18T12:31:35-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2023-09-07T19:01:23-04:00"
                        }
                    ],
                    "handle": "KAVAN48-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/KAVAN48-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/KAVAN48-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "3300 E. Guasti Rd\nOntario\nCA\n91761\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Robert Kavanagh"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Kavanagh",
                                    "Robert",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
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                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-949-861-0999"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-10-14T16:29:36-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2014-12-15T17:28:09-05:00"
                        }
                    ],
                    "handle": "LAZAR14-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/LAZAR14-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/LAZAR14-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/53519"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "noc",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
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                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "3300 E. Guasti Rd.\nOntario\nCA\n91761\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Sam Lazarus"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Lazarus",
                                    "Sam",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
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                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-909-235-4244"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "cell"
                                    ]
                                },
                                "text",
                                "+1-909-319-3333"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-07-16T07:39:16-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1995-11-08T00:00:00-05:00"
                }
            ],
            "handle": "CMHC",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/CMHC",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/53519"
                },
                {
                    "href": "https://whois.arin.net/rest/org/CMHC",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/53519"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Central Maine Medical Family"
                    ],
                    [
                        "adr",
                        {
                            "label": "300 Main Street\nLewiston\nME\n04240\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-07-15T16:53:39-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-12-18T16:42:06-05:00"
                }
            ],
            "handle": "CMHCH-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/CMHCH-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/53519"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/CMHCH-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/53519"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "noc",
                "technical",
                "abuse"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "29 Lowell St\nSuite 200\nLewiston\nME\n04240\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "CMHC Hostmaster"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "Central Maine Health Care"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-207-795-5955"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2012-03-02T08:03:18-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2010-05-27T16:00:28-04:00"
        }
    ],
    "handle": "AS53519",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/53519",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/53519"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS53519",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/53519"
        }
    ],
    "name": "CMHC-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/53519"
                }
            ],
            "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/53519"
                }
            ],
            "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": 53519,
    "status": [
        "active"
    ]
}

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