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AS WHOIS

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

Your public IP address216.73.216.19 IPv4

AS553

BELWUE Universitaet Stuttgart Announcing routes
AS nameBELWUE
OrganisationBELWUE-MNT
Registry (RIR)RIPE NCC
HandleAS553
RangeAS553
Registered27 Aug 2002
Last changed28 Aug 2026
Abuse contact[email protected]
96IPv4 prefixes
4IPv6 prefixes
67Upstreams
17Downstreams

Upstreams

ASNetwork nameVisibility
AS1299TWELVE99 Arelion Sweden AB59644
AS6939HURRICANE - Hurricane Electric LLC27587
AS6461ZAYO-6461 - Zayo Bandwidth9598
AS2914NTT-DATA-2914 - NTT America, Inc.8445
AS3320DTAG Deutsche Telekom AG5626
AS7195AS7195 - EDGEUNO S.A.S4506
AS14840AS14840 - BR.Digital Telecom1973
AS20485TRANSTELECOM Joint Stock Company TransTeleCom1468
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD1391
AS4230AS4230 - CLARO S.A.1371
AS33891CORE-BACKBONE Core-Backbone GmbH1116
AS5405INTERDOTLINK Inter.link GmbH911
AS20764RASCOM-AS CJSC RASCOM885
AS37100SEACOM Limited - SEACOM Limited608
AS6797GLOBALCONNECT-NET GlobalConnect AB548

Downstreams

ASNetwork nameVisibility
AS204680KIT-STUDENT Karlsruhe Institute of Technology2182
AS212522SIX-AS ISP Service eG1061
AS60824Fraunhofer-Freiburg Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.504
AS34878KIT Karlsruhe Institute of Technology441
AS5501Fraunhofer-Cluster-BW Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.354
AS42873MPG-FR-S Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.345
AS213068KIT-ANYCAST Karlsruhe Institute of Technology299
AS219090FIBERGARDEN Temporaerhaus e.V.292
AS203703BITBW BITBW263
AS49739KH_LUDWIGSBURG-ASN Regionale Kliniken Holding RKH GmbH253
AS39100PFORZHEIM-AS Stadtverwaltung Pforzheim250
AS202113PLANB plan b. solutions GmbH222
AS35052AS_AT_TLD_SERVICES ACONET187
AS50964Komm-ONE-AS civillent GmbH150
AS204310SYNERGIES Synergies GmbH130
IPv4 prefixes (96)
IPv6 prefixes (4)

RPKI-validate all prefixes of AS553

Contacts

RoleNameHandleEmail / phoneAddress
administrative, technicalBelWue-KoordinationBEL553-RIPE[email protected], +49 711 685 88030, +49 711 678 8363Landeshochschulnetz Baden-Wuerttemberg (BelWue), Universitaet Stuttgart, BelWue-Koordination, Industriesstrasse 28, D-70565 Stuttgart, Germany
registrantBELWUE-MNTBELWUE-MNT
registrantUniversitaet StuttgartORG-BA9-RIPE+49 711 685-65797, +49 711 678 83 63BelWue-Koordination Industriestrasse 28, 70565, Stuttgart, GERMANY
registrantRIPE-NCC-LEGACY-MNTRIPE-NCC-LEGACY-MNT
abuseBelWue-KoordinationBEL553-RIPE[email protected], +49 711 685 88030, +49 711 678 8363Landeshochschulnetz Baden-Wuerttemberg (BelWue), Universitaet Stuttgart, BelWue-Koordination, Industriesstrasse 28, D-70565 Stuttgart, Germany
registrantBELWUE-MNTBELWUE-MNT
Raw registry response
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    "startAutnum": 553,
    "endAutnum": 553,
    "name": "BELWUE",
    "status": [
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                            "value": "https://rdap.db.ripe.net/autnum/553",
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                        },
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                            "rel": "copyright",
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                        }
                    ],
                    "objectClassName": "entity"
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            "objectClassName": "entity"
        }
    ],
    "remarks": [
        {
            "description": [
                "BelWue-Koordination",
                "Landeshochschulnetz Baden-Wuerttemberg (BelWue)",
                "Academic Network of the",
                "Federal State of Baden-Wuerttemberg",
                "",
                "We are present at DE-CIX and MegaIX in Frankfurt,",
                "at BW-IX Karlsruhe, Stuttgart-IX, Rheintal-IX",
                "and all over Baden-Wuerttemberg, Germany.",
                "We document our peerings in the RIPE-DB (whois.ripe.net)",
                "Peering info at PeeringDB:",
                "- https://www.peeringdb.com/net/1170",
                "Peering Policy:",
                "- https://www.belwue.de/netz/peering-policy.html",
                "Peering requests and network issues:",
                "- mailto:[email protected]",
                "Looking-glass:",
                "- https://www.belwue.de/tools/looking-glass.html",
                "NLNOG RING Host: belwue01.ring.nlnog.net",
                "- Website: https://ring.nlnog.net/",
                "- Looking-glass: http://lg.ring.nlnog.net/",
                "RIPE Atlas Anchor Host: de-str-as553.anchors.atlas.ripe.net",
                "- https://atlas.ripe.net/probes/6683/",
                "We support BCP38 and the MANRS routing manifesto:",
                "- https://www.routingmanifesto.org/manrs/",
                "Use more IPv6!",
                "Locations: FRA (Frankfurt), STU (Stuttgart), KAR (Karlsruhe) all in Germany",
                "=> 553:1.. BelWue, infrastructure and participants (\"customers\")",
                "553:100 BelWue prefixes, pull-up routes",
                "553:101 BelWue infrastructure",
                "553:102 BelWue datacenter",
                "553:103 BelWue anycasted services",
                "553:110 BelWue participants/customers (static)",
                "553:111 BelWue single homed customers",
                "553:112 BelWue multihomed customers",
                "=> 553:2.. Research & Education (R&E) prefixes",
                "553:201 German R&E prefixes (DFN & participants; learnt from DFN)",
                "553:202 Global R&E prefixes (via GEANT; learnt from DFN)",
                "553:203 Other R&E prefixes (e.g., SWITCH, RLP-Net, MANDA; learnt from private peerings)",
                "=> 553:2.. Internet Exchanges and Private Peerings",
                "553:211 Peerings at DE-CIX FRA",
                "553:212 Private peerings in Frankfurt",
                "553:213 Peerings at MegaIX Frankfurt",
                "553:220 Private peerings",
                "553:221 Peerings at Stuttgart IX",
                "553:222 Peerings at BW-IX Karlsruhe",
                "553:223 Peerings at Rheintal-IX",
                "=> 553:3.. Global transit",
                "553:301 Global transit from Telia in Frankfurt or Stuttgart",
                "553:302 Global transit from DFN in Stuttgart",
                "553:303 Global transit from DFN in Karlsruhe",
                "553:307 Global transit from Core Backbone in Frankfurt",
                "=> 553:666 blackhole routes (internally and transit/peers where possible)",
                "=> 65535:666 Blackhole (RFC7999)"
            ]
        }
    ],
    "links": [
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-up",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS553",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-up rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS553?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-down",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS553",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-top",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS553",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-top rdap-active",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS553?status=active",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "rdap-bottom",
            "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS553",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.db.ripe.net/autnum/553",
            "rel": "self",
            "href": "https://rdap.db.ripe.net/autnum/553",
            "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": "2002-08-27T10:11:16Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2026-08-28T07:54:25Z"
        }
    ],
    "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/553",
                    "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/553",
                    "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": "$.entities[?(@.handle=='BEL553-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='ORG-BA9-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        },
        {
            "name": {
                "description": "Personal e-mail information"
            },
            "reason": {
                "description": "Personal data"
            },
            "prePath": "$.entities[?(@.handle=='BEL553-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
            "method": "removal"
        }
    ]
}

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