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AS WHOIS

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

Your public IP address216.73.217.106 IPv4

AS15336

CONCOR-1 - Concordia University, St. Paul Announcing routes
AS nameCONCOR-1
OrganisationConcordia University, St. Paul
Registry (RIR)ARIN
HandleAS15336
RangeAS15336
Registered10 Aug 2005
Last changed29 Aug 2014
1IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS174COGENT-174 - Cogent Communications, LLC180
AS57NL-GIGAPOP - University of Minnesota69
AS13367COMCAST-13367 - Comcast Cable Communications, LLC7

Downstreams

None seen.

IPv4 prefixes (1)

RPKI-validate all prefixes of AS15336

Contacts

RoleNameHandleEmail / phoneAddress
registrantConcordia University, St. PaulCONCOR-1275 N Syndicate St, St. Paul, MN, 55104, United States
technical, dns, noc, routingKen RatrisavathRATRI-ARIN[email protected], +1-651-641-87991282 Concordia Avenue, St. Paul, MN, 55104, United States
abuse, administrativeJonathan BreitbarthJBR140-ARIN[email protected], +1-651-641-8796;ext87961282 Concordia Avenue, St. Paul, MN, 55104, United States
technical, abuse, nocJonathan BreitbarthJBR140-ARIN[email protected], +1-651-641-8796;ext87961282 Concordia Avenue, St. Paul, MN, 55104, United States
technical, abuse, nocJonathan MierowJMI223-ARIN[email protected], +1-651-641-8799275 Syndicate Street N., St. Paul, MN, 55104, United States
Raw registry response
{
    "endAutnum": 15336,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2024-11-18T14:20:54-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-11-18T14:20:54-05:00"
                        }
                    ],
                    "handle": "RATRI-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/RATRI-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/15336"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/RATRI-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/15336"
                        }
                    ],
                    "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 2025-11-18"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "technical",
                        "dns",
                        "noc",
                        "routing"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1282 Concordia Avenue\nSt. Paul\nMN\n55104\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Ken Ratrisavath"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Ratrisavath",
                                    "Ken",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-651-641-8799"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-08-07T11:22:18-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2005-05-20T16:30:12-04:00"
                        }
                    ],
                    "handle": "JBR140-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/JBR140-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/15336"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/JBR140-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/15336"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1282 Concordia Avenue\nSt. Paul\nMN\n55104\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Jonathan Breitbarth"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Breitbarth",
                                    "Jonathan",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-651-641-8796;ext8796"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-11-18T14:23:48-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1992-10-09T00:00:00-04:00"
                }
            ],
            "handle": "CONCOR-1",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/CONCOR-1",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                },
                {
                    "href": "https://whois.arin.net/rest/org/CONCOR-1",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Concordia University, St. Paul"
                    ],
                    [
                        "adr",
                        {
                            "label": "275 N Syndicate St\nSt. Paul\nMN\n55104\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-08-07T11:22:18-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2005-05-20T16:30:12-04:00"
                }
            ],
            "handle": "JBR140-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/JBR140-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/JBR140-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "technical",
                "abuse",
                "noc"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "1282 Concordia Avenue\nSt. Paul\nMN\n55104\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Jonathan Breitbarth"
                    ],
                    [
                        "n",
                        [],
                        "text",
                        [
                            "Breitbarth",
                            "Jonathan",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-651-641-8796;ext8796"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2016-11-14T07:43:50-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2008-10-17T21:12:08-04:00"
                }
            ],
            "handle": "JMI223-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/JMI223-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/JMI223-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/15336"
                }
            ],
            "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 2017-11-14"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "technical",
                "abuse",
                "noc"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "275 Syndicate Street N.\nSt. Paul\nMN\n55104\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Jonathan Mierow"
                    ],
                    [
                        "n",
                        [],
                        "text",
                        [
                            "Mierow",
                            "Jonathan",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-651-641-8799"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2014-08-29T12:59:24-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2005-08-10T13:29:21-04:00"
        }
    ],
    "handle": "AS15336",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/15336",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/15336"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS15336",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/15336"
        }
    ],
    "name": "CONCOR-1",
    "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/15336"
                }
            ],
            "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/15336"
                }
            ],
            "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": 15336,
    "status": [
        "active"
    ]
}

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