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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

AS1835

FSKNET-DK - IDDQD-AS Announcing routes
AS nameFSKNET-DK
OrganisationAS1835-MNT
Registry (RIR)RIPE NCC
HandleAS1835
RangeAS1835
Registered19 Sep 2002
Last changed29 May 2026
5IPv4 prefixes
3IPv6 prefixes
2Upstreams
8Downstreams

Upstreams

ASNetwork nameVisibility
AS2603NORDUNET NORDUnet2401
AS6939HURRICANE - Hurricane Electric LLC233

Downstreams

ASNetwork nameVisibility
AS204793KOLLEGIENET FORENINGEN KOLLEGIENET ODENSE370
AS62138AU-ASN Aarhus Universitet359
AS198794UNCENSOREDDNS-AS Thomas Steen Rasmussen358
AS210731DOTSRC Forening for DotSrc357
AS209291SUStyrelsen Uddannelses- og Forskningsstyrelsens It255
AS5491OLSSON_NET Jan Olsson255
AS42236DTUSCIENCEPARK DTU Science Park a/s249
AS198455I2-HOSTING Danmarks Tekniske Universitet26
IPv4 prefixes (5)
IPv6 prefixes (3)

RPKI-validate all prefixes of AS1835

Contacts

RoleNameHandleEmail / phoneAddress
administrative, technicalAnders Mundt DueAMD2-RIPE+45 35 88 82 22, +45 35 88 82 27, +45 41 72 72 53, +45 35 88 82 01DTU / DeIC, DTU Building 304, DK-2800 Lyngby, Denmark
registrantAS1835-MNTAS1835-MNT
registrantDEIC-MNTDEIC-MNT
administrative, technicalUNI-C ROLEUNIR[email protected], +45 35 88 82 22, +45 35 88 82 01DTU / DeIC, DTU Bygning 304, DK-2800 Lyngby, Denmark
Raw registry response
{
    "handle": "AS1835",
    "startAutnum": 1835,
    "endAutnum": 1835,
    "name": "FSKNET-DK",
    "status": [
        "active"
    ],
    "entities": [
        {
            "handle": "AMD2-RIPE",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Anders Mundt Due"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "DTU / DeIC\nDTU Building 304\nDK-2800 Lyngby\nDenmark"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+45 35 88 82 22"
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+45 35 88 82 27"
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+45 41 72 72 53"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+45 35 88 82 01"
                    ]
                ]
            ],
            "roles": [
                "administrative",
                "technical"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/AMD2-RIPE"
                },
                {
                    "value": "http://www.ripe.net/data-tools/support/documentation/terms",
                    "rel": "copyright",
                    "href": "http://www.ripe.net/data-tools/support/documentation/terms"
                }
            ],
            "objectClassName": "entity"
        },
        {
            "handle": "AS1835-MNT",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "AS1835-MNT"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/AS1835-MNT"
                },
                {
                    "value": "http://www.ripe.net/data-tools/support/documentation/terms",
                    "rel": "copyright",
                    "href": "http://www.ripe.net/data-tools/support/documentation/terms"
                }
            ],
            "objectClassName": "entity"
        },
        {
            "handle": "DEIC-MNT",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "DEIC-MNT"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/DEIC-MNT"
                },
                {
                    "value": "http://www.ripe.net/data-tools/support/documentation/terms",
                    "rel": "copyright",
                    "href": "http://www.ripe.net/data-tools/support/documentation/terms"
                }
            ],
            "objectClassName": "entity"
        },
        {
            "handle": "UNIR",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "UNI-C ROLE"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "DTU / DeIC\nDTU Bygning 304\nDK-2800 Lyngby\nDenmark"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+45 35 88 82 22"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+45 35 88 82 01"
                    ],
                    [
                        "email",
                        {
                            "type": "abuse"
                        },
                        "text",
                        "[email protected]"
                    ]
                ]
            ],
            "roles": [
                "administrative",
                "technical"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/UNIR"
                },
                {
                    "value": "http://www.ripe.net/data-tools/support/documentation/terms",
                    "rel": "copyright",
                    "href": "http://www.ripe.net/data-tools/support/documentation/terms"
                }
            ],
            "objectClassName": "entity"
        }
    ],
    "remarks": [
        {
            "description": [
                "Forskningsnettet - Danish network for Research and Education"
            ]
        }
    ],
    "links": [
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-up",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS1835",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-up rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS1835?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-down",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS1835",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-top",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS1835",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-top rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS1835?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "rdap-bottom",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS1835",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/1835",
            "rel": "self",
            "href": "https://rdap.db.ripe.net/autnum/1835",
            "type": "application/rdap+json"
        },
        {
            "value": "http://www.ripe.net/data-tools/support/documentation/terms",
            "rel": "copyright",
            "href": "http://www.ripe.net/data-tools/support/documentation/terms"
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2002-09-19T15:18:22Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2026-05-29T09:58:44Z"
        }
    ],
    "rdapConformance": [
        "nro_rdap_profile_asn_flat_0",
        "rirSearch1",
        "autnums",
        "cidr0",
        "rdap_level_0",
        "nro_rdap_profile_0",
        "redacted"
    ],
    "notices": [
        {
            "title": "Filtered",
            "description": [
                "This output has been filtered."
            ]
        },
        {
            "title": "Whois Inaccuracy Reporting",
            "description": [
                "If you see inaccuracies in the results, please visit:"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "inaccuracy-report",
                    "href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
                    "type": "text/html"
                }
            ]
        },
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "RIPE"
            ]
        },
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the RIPE Database query service. The objects are in RDAP format."
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/1835",
                    "rel": "terms-of-service",
                    "href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
                    "type": "application/pdf"
                }
            ]
        }
    ],
    "port43": "whois.ripe.net",
    "objectClassName": "autnum",
    "redacted": [
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='AMD2-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='UNIR')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        }
    ]
}

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