THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

Explore domains, TLDs, networks and the organizations behind them.

ASN

AS42541

Record found
Retrieved · 23 Sep 2026, 00:04 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.db.ripe.net/autnum/42541
Record found
Record ID
AS42541
AS name
FIBERBY
AS number range
AS42541
Registered
2009-11-13T13:13:21Z
Last changed
2026-04-09T13:36:17Z
Status
active
Notices & terms 5

Filtered

This output has been filtered.

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true

Source

Objects returned came from source RIPE

Terms and Conditions

This is the RIPE Database query service. The objects are in RDAP format. http://www.ripe.net/db/support/db-terms-conditions.pdf

Notice

+-------------------------------------------+ | Fiberby ApS AS-FIBERBY | Present at following IXP's: * AMS-IX * DE-CIX Frankfurt * NL-ix (@ Interxion CPH1) * LocIX Frankfurt * Netnod Copenhagen (formerly COMIX) * Netnod Stockholm * STHIX-CPH Private peering available at: * GlobalConnect Taastrup, Horskaetten 3-5, Taastrup, DK * GlobalConnect Vesterbro, Vesterbrogade 149, Copenhagen V, DK * Interxion CPH1, Industriparken 20A, Ballerup, DK * TDC Borups Alle * TDC Vesterbro * TDC Valby as-set announced: AS-FIBERBY For more information check http://as42541.peeringdb.com/ | Transit | 1299: Telia Carrier 3356: Level3 6939: Hurricane Electric | Private Peering | 714: Apple 16509: Amazon 20940: Akamai 31027: GlobalConnect 32934: Facebook / Meta 39642: Norlys 46489: Twitch | Internet Exchanges | DE-CIX Frankfurt AMS-IX: Amsterdam Internet Exchange NL-IX: The Interconnect Exchange (Pan European; connected @ Interxion CPH1) COMIX: Netnod Copenhagen / Stockholm (Routeserver uses the same ASN) STHIX-CPH: Stockholm Internet Exchange Copenhagen DE-CIX Oslo DE-CIX Helsinki DE-CIX Copenhagen LocIX: LocIX Frankfurt | Customers | 12654: RIPE RIS 19281: Quad9 201697: Semaphor 204141: K-net 205235: Labitat 208647: BornHack | Contact | * operational issues, contact noc@fiberby.net * peering inquiries, contact peering@fiberby.net * security issues, contact abuse@fiberby.net * end-user issues, contact support@fiberby.dk | Fiberby has an open peering policy |

Organizations & contacts

5
Organization / registrant
Fiberby ApS
ORG-FA448-RIPE
Type
org
Address
Otto Busses Vej 3A 2450 Kobenhavn SV DENMARK
Phone (voice)
+4533230099

Registry · rdap.db.ripe.net

Administrative · Technical
Fiberby Network Operation Center
FIBY-RIPE
Type
group
Address
Fiberby ApS Otto Busses Vej 3A 2450 København SV Denmark
Email (abuse)
abuse@fiberby.net

Registry · rdap.db.ripe.net

Abuse
Fiberby Abuse
FIB13-RIPE
Type
group
Address
Fiberby ApS Otto Busses Vej 5 2450 København SV Denmark
Email (abuse)
abuse@fiberby.net

Registry · rdap.db.ripe.net

Maintainers FIBERBY · RIPE-NCC-END-MNT

Registry · RDAP Original response
https://rdap.db.ripe.net/autnum/42541
{
    "handle": "AS42541",
    "startAutnum": 42541,
    "endAutnum": 42541,
    "name": "FIBERBY",
    "status": [
        "active"
    ],
    "entities": [
        {
            "handle": "FIBERBY",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "FIBERBY"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/42541",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/FIBERBY"
                },
                {
                    "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": "FIBY-RIPE",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Fiberby Network Operation Center"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Fiberby ApS\nOtto Busses Vej 3A\n2450 København SV\nDenmark"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        {
                            "type": "abuse"
                        },
                        "text",
                        "abuse@fiberby.net"
                    ]
                ]
            ],
            "roles": [
                "administrative",
                "technical"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/42541",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/FIBY-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": "ORG-FA448-RIPE",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Fiberby ApS"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "adr",
                        {
                            "label": "Otto Busses Vej 3A\n2450\nKobenhavn SV\nDENMARK"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+4533230099"
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/42541",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/ORG-FA448-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": "RIPE-NCC-END-MNT",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "RIPE-NCC-END-MNT"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "ORG-NCC1-RIPE"
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "links": [
                {
                    "value": "https://rdap.db.ripe.net/autnum/42541",
                    "rel": "self",
                    "href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-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": "FIB13-RIPE",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Fiberby Abuse"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Fiberby ApS\nOtto Busses Vej 5\n2450 København SV\nDenmark"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        {
                            "type": "abuse"
                        },
                        "text",
                        "abuse@fiberby.net"
                    ]
                ]
            ],
            "roles": [
                "abuse"
            ],
            "entities": [
                {
                    "handle": "FIBERBY",
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "FIBERBY"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ]
                        ]
                    ],
                    "roles": [
                        "registrant"
                    ],
                    "links": [
                        {
                            "value": "https://rdap.db.ripe.net/autnum/42541",
                            "rel": "self",
                            "href": "https://rdap.db.ripe.net/entity/FIBERBY"
                        },
                        {
                            "value": "http://www.ripe.net/data-tools/support/documentation/terms",
                            "rel": "copyright",
                            "href": "http://www.ripe.net/data-tools/support/documentation/terms"
                        }
                    ],
                    "objectClassName": "entity"
                }
            ],
            "objectClassName": "entity"
        }
    ],
    "remarks": [
        {
            "description": [
                "+-------------------------------------------+",
                "| Fiberby ApS AS-FIBERBY |",
                "",
                "Present at following IXP's:",
                "* AMS-IX",
                "* DE-CIX Frankfurt",
                "* NL-ix (@ Interxion CPH1)",
                "* LocIX Frankfurt",
                "* Netnod Copenhagen (formerly COMIX)",
                "* Netnod Stockholm",
                "* STHIX-CPH",
                "Private peering available at:",
                "* GlobalConnect Taastrup, Horskaetten 3-5, Taastrup, DK",
                "* GlobalConnect Vesterbro, Vesterbrogade 149, Copenhagen V, DK",
                "* Interxion CPH1, Industriparken 20A, Ballerup, DK",
                "* TDC Borups Alle",
                "* TDC Vesterbro",
                "* TDC Valby",
                "as-set announced: AS-FIBERBY",
                "For more information check http://as42541.peeringdb.com/",
                "| Transit |",
                "1299: Telia Carrier",
                "3356: Level3",
                "6939: Hurricane Electric",
                "| Private Peering |",
                "714: Apple",
                "16509: Amazon",
                "20940: Akamai",
                "31027: GlobalConnect",
                "32934: Facebook / Meta",
                "39642: Norlys",
                "46489: Twitch",
                "| Internet Exchanges |",
                "DE-CIX Frankfurt",
                "AMS-IX: Amsterdam Internet Exchange",
                "NL-IX: The Interconnect Exchange (Pan European; connected @ Interxion CPH1)",
                "COMIX: Netnod Copenhagen / Stockholm (Routeserver uses the same ASN)",
                "STHIX-CPH: Stockholm Internet Exchange Copenhagen",
                "DE-CIX Oslo",
                "DE-CIX Helsinki",
                "DE-CIX Copenhagen",
                "LocIX: LocIX Frankfurt",
                "| Customers |",
                "12654: RIPE RIS",
                "19281: Quad9",
                "201697: Semaphor",
                "204141: K-net",
                "205235: Labitat",
                "208647: BornHack",
                "| Contact |",
                "* operational issues, contact noc@fiberby.net",
                "* peering inquiries, contact peering@fiberby.net",
                "* security issues, contact abuse@fiberby.net",
                "* end-user issues, contact support@fiberby.dk",
                "| Fiberby has an open peering policy |"
            ]
        }
    ],
    "links": [
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-up",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS42541",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-up rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS42541?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-down",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS42541",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-top",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS42541",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-top rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS42541?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "rdap-bottom",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS42541",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/42541",
            "rel": "self",
            "href": "https://rdap.db.ripe.net/autnum/42541",
            "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": "2009-11-13T13:13:21Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2026-04-09T13:36:17Z"
        }
    ],
    "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/42541",
                    "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/42541",
                    "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": "$.entities[?(@.handle=='FIBY-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='ORG-FA448-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='FIB13-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        }
    ]
}