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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

AS22335

MREN - Metropolitan Research and Education Network Announcing routes
AS nameMREN
OrganisationMetropolitan Research and Education Network
Registry (RIR)ARIN
HandleAS22335
RangeAS22335
Registered12 Sep 2001
Last changed29 Jul 2020
Abuse contact[email protected]
1IPv4 prefixes
0IPv6 prefixes
3Upstreams
19Downstreams

Upstreams

ASNetwork nameVisibility
AS11164INTERNET2-I2PX - Internet2519
AS11537INTERNET2-RESEARCH-EDU - Internet2217
AS293ESNET - ESnet18

Downstreams

ASNetwork nameVisibility
AS6325ILLINOIS-CENTURY - Illinois Century Network193
AS6200UIC-AS - University of Illinois Chicago86
AS53695SIUE - Southern Illinois University at Edwardsville79
AS15119SOUTHERN-ILLINOIS-UNIVERSITY - Southern Illinois University Carbondale63
AS18555THE-ART-INST - The Art Institute of Chicago54
AS1224NCSA-AS - University of Illinois37
AS20130DEPAUL - Depaul University29
AS683ARGONNE-AS - Argonne National Laboratory20
AS7968LOYOLA-UNIV-CHICAGO - Loyola University Chicago19
AS103NWU-AS - Northwestern University16
AS31770CMMC-I2 - Ann & Robert H. Lurie Children's Hospital of Chicago12
AS40387UI-ICCN - University of Illinois12
AS7386ILLINOIS-STATE-UNIV - Illinois State University11
AS29825IIT-NETWORK-AS - Illinois Institute of Technology8
AS26367BRADLEY-UNIVERSITY - Bradley University4
IPv4 prefixes (1)

RPKI-validate all prefixes of AS22335

Contacts

RoleNameHandleEmail / phoneAddress
registrantMetropolitan Research and Education NetworkMREN-2750 North Lake Shore Drive, Suite 600, Chicago, IL, 60611, United States
technical, abuse, administrativeLinda WinklerLW26-ARIN[email protected], +1-630-252-72369700 South Cass Avenue, Lemont, IL, 60439, United States
Raw registry response
{
    "endAutnum": 22335,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-15T08:36:34-04:00"
                        }
                    ],
                    "handle": "LW26-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/LW26-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/22335"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/LW26-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/22335"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical",
                        "abuse",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "9700 South Cass Avenue\nLemont\nIL\n60439\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Linda Winkler"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Winkler",
                                    "Linda",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-630-252-7236"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2011-09-24T08:30:57-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2001-09-12T00:00:00-04:00"
                }
            ],
            "handle": "MREN-2",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/MREN-2",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/22335"
                },
                {
                    "href": "https://whois.arin.net/rest/org/MREN-2",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/22335"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Metropolitan Research and Education Network"
                    ],
                    [
                        "adr",
                        {
                            "label": "750 North Lake Shore Drive, Suite 600\nChicago\nIL\n60611\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2020-07-28T14:58:38-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2001-09-12T00:00:00-04:00"
        }
    ],
    "handle": "AS22335",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/22335",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/22335"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS22335",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/22335"
        }
    ],
    "name": "MREN",
    "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/22335"
                }
            ],
            "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/22335"
                }
            ],
            "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": 22335,
    "status": [
        "active"
    ]
}

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