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AS42184

TKRZ Stadtwerke GmbH

RIPE NCC DE active Announced
More ASNs in Germany →
Organization
TKRZ Stadtwerke GmbH
AS-TKRZ
Registered
Jan 10, 2007
19 years ago
IPv4 Prefixes
13
18,688 addresses
IPv6 Prefixes
1
65,536 × /48
BGP Neighbours
150
63 upstream/peer · 12 downstream · 86 collector-only

Registration

AS Number AS42184 AS Name AS-TKRZ Organization TKRZ Stadtwerke GmbH Organization ID ORG-JSG1-RIPE Address MOORBRUECKENSTRASSE 30, D-48282, EMSDETTEN, GERMANY Country Germany (DE) Registry RIPE NCC Allocated Jan 10, 2007 Record Created Jan 10, 2007 Last Updated Sep 11, 2026 Status
active
WHOIS Server whois.ripe.net AS Description AS-TKRZ - TKRZ Stadtwerke GmbH, DE Remarks ====================================================, TKRZ Stadtwerke GmbH, AS42184, located at AMS-IX, located at DE-CIX FRA, located at DE-CIX DUS, located at DE-CIX HAM, located at DE-CIX MUC, located at OCIX DUS, located at Peering.cz, PeeringDB: https://as42184.peeringdb.com, Looking-Glass: htt… Abuse Email [email protected] Abuse Phone +49 2572 202400

IPv4 Prefixes

13 prefixes · 18,688 addresses Routing data as of 2026-10-07 08:00 UTC

PrefixRangeAddresses
45.82.124.0/2245.82.124.0 – 45.82.127.2551,024
88.218.84.0/2288.218.84.0 – 88.218.87.2551,024
89.251.128.0/2089.251.128.0 – 89.251.143.2554,096
91.190.224.0/2191.190.224.0 – 91.190.231.2552,048
178.251.8.0/21178.251.8.0 – 178.251.15.2552,048
185.64.168.0/22185.64.168.0 – 185.64.171.2551,024
185.72.200.0/22185.72.200.0 – 185.72.203.2551,024
185.124.232.0/22185.124.232.0 – 185.124.235.2551,024
185.143.168.0/22185.143.168.0 – 185.143.171.2551,024
185.153.140.0/22185.153.140.0 – 185.153.143.2551,024
188.64.248.0/21188.64.248.0 – 188.64.255.2552,048
194.15.152.0/22194.15.152.0 – 194.15.155.2551,024
194.49.22.0/24194.49.22.0 – 194.49.22.255256

IPv6 Prefixes

1 prefix · 65,536 × /48 Routing data as of 2026-10-07 08:00 UTC

PrefixAddresses
2a02:f08::/32296

BGP Neighbours

150 unique neighbours · 63 upstream/peer · 12 downstream · 86 collector-only. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries.

Upstream & peer side (63)

Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS33891CORE-BACKBONE Core-Backbone GmbH5481,453471
AS6939HURRICANE - Hurricane Electric LLC378229452
AS1299TWELVE99 Arelion Sweden AB377922275
AS174COGENT-174 - Cogent Communications, LLC348696242
AS3356LEVEL3 - Level 3 Parent, LLC255639123
AS3257GTT-BACKBONE GTT Communications Inc.239563105
AS3320DTAG Deutsche Telekom AG78144104
AS9002RETN-AS RETN Limited36072
AS34549MEER-AS meerfarbig GmbH & Co. KG367210
AS13030INIT7 Init7 (Switzerland) Ltd.3517555
AS35625EUROFIBER-FRANCE Eurofiber France SAS347020
AS34019HIVANE Hivane Association3310751
AS29632NASSIST-AS Netassist International EOOD30030
AS37497Network Platforms (PTY) LTD - Network Platforms (PTY) LTD28640
AS29691NINE Nine Internet Solutions AG266021
AS5405INTERDOTLINK Inter.link GmbH254722
AS34927iFog-GmbH iFog GmbH257320
AS39351ESAB-AS 31173 Services AB255420
AS12779ITGATE IT.Gate S.p.A.2412040
AS24961MYLOC-AS WIIT AG245821
AS25091IP-Max IP-Max SA249630
AS34177CELESTE-AS Celeste SAS244810
AS8298IPNG IPng Networks GmbH232520
AS14840AS14840 - BR.Digital Telecom2311950
AS20764RASCOM-AS CJSC RASCOM234720
AS35280F5 F5 Networks SARL235211
AS48362TKSWF-AS Stadtwerke Feldkirch239540
AS50673Serverius-as Serverius Holding B.V.232620
AS6057AS6057 - Administracion Nacional de Telecomunicaciones224620
AS41327FIBERTELECOM-AS Fiber Telecom S.p.A.224610
AS47147AS-ANX Anexia Cloud Solutions GmbH229230
AS8218NEO-ASN Zayo Infrastructure France SA2121078
AS8758IWAY Iway AG19228
AS37468Angola Cables - Angola Cables18315
AS1103SURFNET-NL SURF B.V.142412
AS1267ASN-WINDTRE WIND TRE S.P.A.13420
AS6797GLOBALCONNECT-NET GlobalConnect AB133011
AS28716RETELIT-AS Retelit Digital Services S.p.A.132610
AS1764NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH122911
AS4455BSO IX Reach Ltd122410
AS6204ZET-NET TMRC GROUP SRL12290
AS6663TTI-NET Euroweb Romania S.R.L.122911
AS6777AMS-IX-RS Amsterdam Internet Exchange B.V.12249
AS15958CETIN_doo_AS CETIN Ltd. Belgrade12240
AS29075IELO IELO-LIAZO SERVICES SAS122311
AS30844LIQUID-AS Liquid Telecommunications Ltd12240
AS61049EXASCALE Exascale Ltd12249
AS4230AS4230 - CLARO S.A.11230
AS9044SOLNET BSE Software GmbH11462
AS12577MMC-AT-AS MMC GmbH112310
AS20485TRANSTELECOM Joint Stock Company TransTeleCom11230
AS20766GITOYEN-MAIN-AS Association "Gitoyen"11230
AS37100SEACOM Limited - SEACOM Limited11230
AS60171AFRIX-AS AFR-IX TELECOM S.A.112310
AS205103TELEGRAPH-AS Telegraph42 Management GmbH11231
AS212024RISSON Marc Schmitt112310
AS7195AS7195 - EDGEUNO S.A.S10010
AS30781JAGUAR-AS Free Pro SAS10010
AS39249KICUA-AS Netassist International EOOD10010
AS7713telkomnet-as-ap - PT Telekomunikasi Indonesia110
AS24889MONZOON-AS Monzoon Networks AG101
AS56655GIGAHOST Gigahost AS110
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD101

Downstream side (12)

Networks seen to the right of this AS in BGP paths — networks whose routes it carries, typically its customers (downstreams).

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS197759XENODE-AS Enapter AG3875070
AS57137sievers-snc SIEVERS-SNC Beteiligungs GmbH352346343
AS196932RHEINET RheiNet GmbH350346347
AS210035Stiftung_Mathias-Spital_Rheine Stiftung Mathias-Spital Rheine350346347
AS8454FMO FMO Flughafen Muenster/Osnabrueck GmbH349346345
AS43397ITEMS items management GmbH trading as 'items GmbH & Co. KG'349346345
AS49552OST-SPE OpenSource Training Ralf Spenneberg349346345
AS204702DWTS Deutsche Windtechnik GmbH & Co. KG349346347
AS215756SCHMITZWERKE C. H. Schmitz Beteiligungsgesellschaft mbH trading as Schmitz-Werke GmbH & Co. KG349346345
AS196731egeplast egeplast international GmbH347346344
AS202208TEUTEL Teutel GmbH154978106
AS204989rdt Rekers Digitaltechnik Beteiligungsgesellschaft mbH trading as Rekers Digitaltechnik GmbH & Co.KG5811616

Collector-only (86)

Networks seen to the left of this AS only when they peer directly with a RIPE RIS route collector, so the adjacency may be an artefact of that peering; many of them also appear on the downstream side.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS21412CGATES-AS UAB "Cgates"143212
AS29504LBCFREE Freenet Liberec, z.s.143211
AS35369LINZAG-TELEKOM-AS LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation14320
AS50763MCKAYCOM Robert McKay142612
AS213151CHRISELSEN Christian Elsen143212
AS12637SEEWEB SEEWEB s.r.l.13269
AS12859NL-BIT BIT BV133020
AS15605CONNESI Connesi s.p.a.132610
AS35710WEBERCLOUD weber.digital GmbH134822
AS39122BLACKNIGHT-AS Blacknight Internet Solutions Limited132610
AS42541FIBERBY Fiberby ApS133011
AS47692NESSUS Nessus GmbH136020
AS51873AS-ARCADE Arcade Solutions AG132610
AS58057SECUREBIT Securebit AG132421
AS59890Kabel-TV-Lampert Kabel-TV Lampert GmbH & Co KG136222
AS199524GCORE G-Core Labs S.A.135020
AS199938NETZWERGE Netzwerge GmbH133011
AS205112PHILUNET PHILUNET GmbH132411
AS212635AS212635 Jurrian van Iersel13269
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDA132610
AS553BELWUE Universitaet Stuttgart122410
AS559Switch SWITCH122410
AS680DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.122410
AS1140SIDN Stichting Internet Domeinregistratie Nederland12249
AS1828UNITAS - Unitas Global122410
AS3212TELEMACH Telemach Slovenija d.o.o.122410
AS3214XTOM xTom GmbH124810
AS3333RIPE-NCC-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)122510
AS6424EDGOO EDGOO NETWORKS UNIPESSOAL LDA122410
AS8529OMANTEL-AS Zain Omantel International FZ-LLC125220
AS8888XTOM xTom Pty Ltd122410
AS12969Vodafone_Iceland Ljosleidarinn ehf12240
AS13237LAMBDANET-AS euNetworks GmbH12240
AS14630INVESCO - Invesco Group Services, Inc.12240
AS24482SGGS-AS-AP - SG.GS1219280
AS25160VORBOSS Vorboss Limited124820
AS25220GLOBALNOC-AS equada network GmbH122410
AS31510IKB-AS Innsbrucker Kommunalbetriebe AG122410
AS34288AS34288 Kantonsschule Zug122911
AS35360GARGUNET Frederic Gargula122410
AS36236NETACTUATE - NetActuate, Inc122910
AS37721Virtual Technologies & Solutions - Virtual Technologies & Solutions122410
AS44901belcloud Belcloud LTD122410
AS49544i3Dnet i3D.net B.V124820
AS49605DTS-AS Digital Telecommunication Services S.r.l.12258
AS51184FONIRA Fonira Telekom GmbH125822
AS51185MAINSTREAMING-AS MainStreaming SpA122510
AS56662EUTPNET Marcin Gondek12012
AS58299OPENFACTORY-AS Openfactory GmbH122410
AS64475FREIFUNK-FRANKFURT Freifunk Frankfurt am Main e.V.122410
AS142271DOUBLESQUARE-AS-AP - EWS DS Networks Inc12240
AS198150SIACOM-AS SIACOM JSC122410
AS198385AlpineDC AlpineDC SA122410
AS210937Showfom Xiufeng Guo122410
AS212483level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD124820
AS263152AS263152 - MIGO TELECOM12250
AS264479AS264479 - Turbozone Internet12244
AS17639CONVERGE-AS - Converge ICT Solutions Inc.111010
AS20932SIG-ST Services Industriels de Geneve112310
AS29140HOSTSERVER-AS Hostserver GmbH112310
AS35598INETCOM INETCOM CARRIER LLC11230
AS48919UA-CITY-AS UACITY Ltd.112310
AS50300CUSTDC CustodianDC Limited11239
AS56987AS-ABACLOUDA ABACLOUDA SAS112310
AS57777MASSAR Jeroen Massar112310
AS61573AS61573 - IP TELECOM112310
AS206356Freifunk-Essen Freifunk Essen e.V.11230
AS15547NETPLUS netplus.ch SA102027
AS28917Fiord-AS Fiord Networks, UAB10020
AS45489SLT-GLOBAL - Sri Lanka Telecom PLC, GLobal Peering10010
AS198249OPSONE Ops One AG10010
AS209823ENKI-AS Enki Multimedia EURL10010
AS213241TECHIT TECHIT.BE SRL10010
AS48185team_blue team.blue NV93927
AS197759XENODE-AS Enapter AG240
AS8454FMO FMO Flughafen Muenster/Osnabrueck GmbH122
AS14907WIKIMEDIA - Wikimedia Foundation Inc.1131
AS43397ITEMS items management GmbH trading as 'items GmbH & Co. KG'122
AS49552OST-SPE OpenSource Training Ralf Spenneberg122
AS57137sievers-snc SIEVERS-SNC Beteiligungs GmbH122
AS196731egeplast egeplast international GmbH122
AS196932RHEINET RheiNet GmbH122
AS204702DWTS Deutsche Windtechnik GmbH & Co. KG122
AS204989rdt Rekers Digitaltechnik Beteiligungsgesellschaft mbH trading as Rekers Digitaltechnik GmbH & Co.KG121
AS210035Stiftung_Mathias-Spital_Rheine Stiftung Mathias-Spital Rheine122
AS215756SCHMITZWERKE C. H. Schmitz Beteiligungsgesellschaft mbH trading as Schmitz-Werke GmbH & Co. KG122

Raw RDAP Response

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  "startAutnum": 42184,
  "endAutnum": 42184,
  "name": "AS-TKRZ",
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              ]
            ]
          ],
          "roles": [
            "registrant"
          ],
          "links": [
            {
              "value": "https://rdap.db.ripe.net/autnum/42184",
              "rel": "self",
              "href": "https://rdap.db.ripe.net/entity/MNT-TKRZ"
            },
            {
              "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": "MS50943-RIPE",
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "fn",
                {},
                "text",
                "REDACTED"
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ]
            ]
          ],
          "roles": [
            "technical"
          ],
          "links": [
            {
              "value": "https://rdap.db.ripe.net/autnum/42184",
              "rel": "self",
              "href": "https://rdap.db.ripe.net/entity/MS50943-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": "NP5362-RIPE",
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "fn",
                {},
                "text",
                "REDACTED"
              ],
              [
                "kind",
                {},
                "text",
                "individual"
              ]
            ]
          ],
          "roles": [
            "technical"
          ],
          "links": [
            {
              "value": "https://rdap.db.ripe.net/autnum/42184",
              "rel": "self",
              "href": "https://rdap.db.ripe.net/entity/NP5362-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"
        }
      ],
      "objectClassName": "entity"
    }
  ],
  "remarks": [
    {
      "description": [
        "====================================================",
        "TKRZ Stadtwerke GmbH",
        "AS42184",
        "located at AMS-IX",
        "located at DE-CIX FRA",
        "located at DE-CIX DUS",
        "located at DE-CIX HAM",
        "located at DE-CIX MUC",
        "located at OCIX DUS",
        "located at Peering.cz",
        "PeeringDB: https://as42184.peeringdb.com",
        "Looking-Glass: https://lg.tkrz.net",
        "Looking-Glass: https://bgp.tools/lg/42184",
        "== Route Server Peerings ==",
        "DE-CIX Frankfurt Route Servers:",
        "--",
        "AMS-IX Route Servers:",
        "OCIX Düsseldorf Route Servers:",
        "DE-CIX Hamburg Route Servers:",
        "DE-CIX München Route Servers:",
        "DE-CIX Düsseldorf Route Servers:",
        "Peering.cz Route Servers:",
        "== Transit ==",
        "Cogent Communications Inc.:",
        "Arelion :",
        "Deutsche Telekom AG:",
        "GTT Communications Inc.:",
        "Lumen Technologies Inc.:",
        "Core-Backbone GmbH:",
        "== Customers ==",
        "FMO Flughafen Muenster/Osnabrueck GmbH:",
        "items GmbH & Co. KG:",
        "LIS Logistische Informationssysteme GmbH:",
        "OpenSource Security GmbH:",
        "SIEVERS GROUP:",
        "egeplast international GmbH:",
        "RheiNet GmbH:",
        "Enapter AG:",
        "teutel GmbH:",
        "Deutsche Windtechnik Service GmbH & Co. KG:",
        "Rekers Digitaltechnik GmbH & Co.KG:",
        "Stiftung Mathias-Spital Rheine:",
        "Schmitz-Werke GmbH + Co. KG:",
        "== Private Network Interconnect ==",
        "Google LLC:",
        "Amazon Inc:",
        "Epcan GmbH:",
        "WEBDISCOUNT GmbH & Co. KG:",
        "WIIT AG (fka. myLoc Managed IT AG):",
        "Stadtwerke Lübeck Digital GmbH:",
        "Meta Platforms Inc.:",
        "Netflix Streaming Services Inc.:",
        "Stadtwerke Soest GmbH:",
        "Exaring AG:",
        "TELE AG:"
      ]
    }
  ],
  "links": [
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-up",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS42184",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-up rdap-active",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS42184?status=active",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-down",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS42184",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-top",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS42184",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-top rdap-active",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS42184?status=active",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "rdap-bottom",
      "href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS42184",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.db.ripe.net/autnum/42184",
      "rel": "self",
      "href": "https://rdap.db.ripe.net/autnum/42184",
      "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": "2007-01-10T08:53:37Z"
    },
    {
      "eventAction": "last changed",
      "eventDate": "2026-09-11T11:30:45Z"
    }
  ],
  "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/42184",
          "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/42184",
          "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": "$.entities[?(@.handle=='ORG-JSG1-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
      "method": "removal"
    },
    {
      "name": {
        "description": "Personal e-mail information"
      },
      "reason": {
        "description": "Personal data"
      },
      "prePath": "$.entities[?(@.handle=='tSG20-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
      "method": "removal"
    },
    {
      "name": {
        "description": "Personal e-mail information"
      },
      "reason": {
        "description": "Personal data"
      },
      "prePath": "$.entities[?(@.handle=='tSG20-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
      "method": "removal"
    }
  ]
}

Contact details of private individuals are redacted.