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NORDUnet logo

NORDUnet

馃嚛馃嚢 Denmark

The ASN (Autonomous System Number) is a unique number assigned to an autonomous system, used to identify the network. ASN

AS2603

The RIR (Regional Internet Registry) is the organization responsible for managing ASN allocation in a specific region. RIR

RIPE

The type of ASN. Can be business, isp, hosting, government, or education. Type

education

Website

nordu.net

Related ASNs have the same name or website. Related

AS2844 AS39590 AS15980 AS2837 AS1653 AS2838 AS2832 AS2843 AS2846 AS2833

IPv4 CIDRs

10

IPv4 addresses

9728

IPv6 CIDRs

2

IPv6 addresses

9

Upstreams are networks that provide transit to this ASN. Upstreams (9)

AS1299 Arelion (fka. Telia Carrier) logo Arelion (fka. Telia Carrier)
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS9002 RETN Limited logo RETN Limited
AS6461 Zayo Bandwidth logo Zayo Bandwidth
AS3491 PCCW Global, Inc. logo PCCW Global, Inc.
View more
AS2914 NTT America, Inc. logo NTT America, Inc.
AS6762 Telecom Italia Sparkle (Seabone) logo Telecom Italia Sparkle (Seabone)
AS6830 Liberty Global B.V. logo Liberty Global B.V.
AS8674 Netnod AB logo Netnod AB

Downstreams are networks that receive transit from this ASN. Downstreams (16)

AS1835 Forskningsnettet - Danish NREN logo Forskningsnettet - Danish NREN
AS1741 CSC - Tieteen tietotekniikan keskus Oy logo CSC - Tieteen tietotekniikan keskus Oy
AS224 Sikt (Uninett) logo Sikt (Uninett)
AS1103 SURF B.V. logo SURF B.V.
AS21320 GEANT Vereniging logo GEANT Vereniging
View more
AS3221 Haridus- ja Teadusministeerium logo Haridus- ja Teadusministeerium
AS198093 Foreningen for digitala fri- och rattigheter logo Foreningen for digitala fri- och rattigheter
AS8473 Bahnhof AB logo Bahnhof AB
AS15474 Ranns贸kna- og h谩sk贸lanet 脥slands hf. logo Ranns贸kna- og h谩sk贸lanet 脥slands hf.
AS1653 Vetenskapsr氓det / SUNET logo Vetenskapsr氓det / SUNET
AS8674 Netnod AB logo Netnod AB
AS2832 Vetenskapsradet / SUNET logo Vetenskapsradet / SUNET
AS8501 Institute of Bioorganic Chemistry Polish Academy of S... logo Institute of Bioorganic Chemistry Polish Academy of S...
AS2847 Kauno Technologijos Universitetas logo Kauno Technologijos Universitetas
AS39590 NORDUnet logo NORDUnet
AS3267 SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF ... logo SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF ...

Peers are networks that exchange traffic with this ASN. Peers (250)

AS15412 Flag Telecom UK Limited logo Flag Telecom UK Limited
AS13122 Manx Telecom Trading Ltd logo Manx Telecom Trading Ltd
AS34245 Magnet Networks Limited logo Magnet Networks Limited
AS2906 Netflix Streaming Services Inc. logo Netflix Streaming Services Inc.
AS19754 The Fusion Network, LLC logo The Fusion Network, LLC
View more
AS8674 Netnod AB logo Netnod AB
AS210619 Monkey Tree Hosting Limited logo Monkey Tree Hosting Limited
AS29611 Elite Limited logo Elite Limited
AS15474 Ranns贸kna- og h谩sk贸lanet 脥slands hf. logo Ranns贸kna- og h谩sk贸lanet 脥slands hf.
AS29838 Atlantic Metro Communications II, Inc. logo Atlantic Metro Communications II, Inc.
AS20514 Axians AB logo Axians AB
AS56595 Fluency Communications Ltd logo Fluency Communications Ltd
AS31655 Gamma Telecom Holdings Ltd logo Gamma Telecom Holdings Ltd
AS39590 NORDUnet logo NORDUnet
AS42611 Zzoomm plc logo Zzoomm plc
AS21293 Norsk Rikskringkasting AS logo Norsk Rikskringkasting AS
AS23274 Priceline.com logo Priceline.com
AS12996 Domeneshop AS logo Domeneshop AS
AS1835 Forskningsnettet - Danish NREN logo Forskningsnettet - Danish NREN
AS12389 PJSC Rostelecom logo PJSC Rostelecom
AS32787 Akamai (Prolexic) logo Akamai (Prolexic)
AS6805 Telefonica Germany (o2) logo Telefonica Germany (o2)
AS8468 Cityfibre Limited logo Cityfibre Limited
AS33891 Core-Backbone GmbH logo Core-Backbone GmbH
AS2847 Kauno Technologijos Universitetas logo Kauno Technologijos Universitetas
AS44444 Forcepoint Cloud Ltd logo Forcepoint Cloud Ltd
AS48825 Fast2host - Fast4networks Ltd logo Fast2host - Fast4networks Ltd
AS9002 RETN Limited logo RETN Limited
AS137409 GSL Networks Pty LTD logo GSL Networks Pty LTD
AS4635 HKIX Route Servers logo HKIX Route Servers
AS52320 V.tal (GlobeNet)
AS41000 Freethought Internet Limited logo Freethought Internet Limited
AS199524 Gcore S.A. logo Gcore S.A.
AS12779 IT.Gate S.p.A. logo IT.Gate S.p.A.
AS29689 Origo ehf logo Origo ehf
AS6908 Six Degrees Technology Group Limited logo Six Degrees Technology Group Limited
AS57630 84 Grams AB logo 84 Grams AB
AS21320 GEANT Vereniging logo GEANT Vereniging
AS2119 Telenor Norge AS logo Telenor Norge AS
AS224 Sikt (Uninett) logo Sikt (Uninett)
AS35826 Netservers Limited logo Netservers Limited
AS2635 Automattic, Inc logo Automattic, Inc
AS59816 4on LTD logo 4on LTD
AS6128 Cablevision Systems Corp. logo Cablevision Systems Corp.
AS4230 Claro (Embratel)
AS21339 Contingency Networks Ltd logo Contingency Networks Ltd
AS49158 WIFINITY NETWORKS LIMITED logo WIFINITY NETWORKS LIMITED
AS8838 Compuweb Communications Services Limited logo Compuweb Communications Services Limited
AS212109 Squirrel Internet Ltd logo Squirrel Internet Ltd
AS12969 Lj贸slei冒arinn ehf (Vodafone Iceland) logo Lj贸slei冒arinn ehf (Vodafone Iceland)
AS19108 Optimum logo Optimum
AS3301 Telia Company AB logo Telia Company AB
AS31727 Node4 Limited logo Node4 Limited
AS211029 XTX Markets Limited logo XTX Markets Limited
AS211597 Lit Fibre Group Ltd. logo Lit Fibre Group Ltd.
AS199713 MLL Telecom Ltd. logo MLL Telecom Ltd.
AS42 WoodyNet, Inc. logo WoodyNet, Inc.
AS47480 Blue Tiger Solutions Limited logo Blue Tiger Solutions Limited
AS29432 TREX Regional Exchanges Oy logo TREX Regional Exchanges Oy
AS25400 Telia Norge AS logo Telia Norge AS
AS48070 DSM (GB) Limited logo DSM (GB) Limited
AS64050 BGP Network Limited logo BGP Network Limited
AS50272 AVUR AS logo AVUR AS
AS32590 Valve Corporation logo Valve Corporation
AS16186 IP Group AS logo IP Group AS
AS3221 Haridus- ja Teadusministeerium logo Haridus- ja Teadusministeerium
AS38195 Superloop logo Superloop
AS13189 Liden Data Internetwork AB logo Liden Data Internetwork AB
AS60193 Wurzel Ltd logo Wurzel Ltd
AS12552 GlobalConnect (IP-Only) logo GlobalConnect (IP-Only)
AS207080 Jack Fillan logo Jack Fillan
AS24743 Snerpa ehf logo Snerpa ehf
AS20940 Akamai International B.V. logo Akamai International B.V.
AS215467 Skhron OU logo Skhron OU
AS34549 meerfarbig GmbH & Co. KG logo meerfarbig GmbH & Co. KG
AS31133 PJSC MegaFon logo PJSC MegaFon
AS61124 Marston's Telecoms Limited logo Marston's Telecoms Limited
AS3216 PJSC "Vimpelcom" logo PJSC "Vimpelcom"
AS4258 Accretive Networks logo Accretive Networks
AS54113 Fastly, Inc. logo Fastly, Inc.
AS31708 Coreix Ltd logo Coreix Ltd
AS63949 Akamai (Linode) logo Akamai (Linode)
AS199283 STRUCTURED COMMUNICATIONS LIMITED logo STRUCTURED COMMUNICATIONS LIMITED
AS200260 Debugged Ltd logo Debugged Ltd
AS6762 Telecom Italia Sparkle (Seabone) logo Telecom Italia Sparkle (Seabone)
AS13768 Aptum Technologies logo Aptum Technologies
AS7029 Windstream Communications LLC logo Windstream Communications LLC
AS20712 Andrews & Arnold Ltd logo Andrews & Arnold Ltd
AS35228 o2 (Telefonica UK) logo o2 (Telefonica UK)
AS20253 Qwilt Inc. logo Qwilt Inc.
AS213113 Kamel Networks Association logo Kamel Networks Association
AS199950 HJELM ENTERPRISES AB logo HJELM ENTERPRISES AB
AS30781 Free Pro SAS logo Free Pro SAS
AS5482 AllPoints Fibre Limited logo AllPoints Fibre Limited
AS34790 TFM NETWORKS LIMITED logo TFM NETWORKS LIMITED
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS32098 Fl艒 Networks (Transtelco Inc.) logo Fl艒 Networks (Transtelco Inc.)
AS30893 No ACK Group Holding AB logo No ACK Group Holding AB
AS9505 Taiwan Internet Gateway logo Taiwan Internet Gateway
AS57660 Com4 AS logo Com4 AS
AS2832 Vetenskapsradet / SUNET logo Vetenskapsradet / SUNET
AS202246 Valoo Oy logo Valoo Oy
AS202282 FIBRUS NETWORKS LTD logo FIBRUS NETWORKS LTD
AS6696 VERIXI SA logo VERIXI SA
AS31631 Telcom Networks Limited logo Telcom Networks Limited
AS34746 AXA Insurance UK plc logo AXA Insurance UK plc
AS26496 GoDaddy.com, LLC logo GoDaddy.com, LLC
AS57304 RETN Russia logo RETN Russia
AS25098 Netcalibre Ltd logo Netcalibre Ltd
AS203038 QuxLabs UG logo QuxLabs UG
AS55256 Netskope Inc logo Netskope Inc
AS25148 ORANGE BUSINESS DIGITAL NORWAY AS logo ORANGE BUSINESS DIGITAL NORWAY AS
AS41095 IPTP LTD logo IPTP LTD
AS6327 Shaw Communications Inc. logo Shaw Communications Inc.
AS396356 Latitude.sh logo Latitude.sh
AS42695 Cleura AB logo Cleura AB
AS50300 CustodianDC Limited logo CustodianDC Limited
AS199335 Talk Straight Ltd. logo Talk Straight Ltd.
AS1741 CSC - Tieteen tietotekniikan keskus Oy logo CSC - Tieteen tietotekniikan keskus Oy
AS39351 31173 Services AB logo 31173 Services AB
AS57976 Blizzard Entertainment, Inc logo Blizzard Entertainment, Inc
AS55081 24 SHELLS logo 24 SHELLS
AS30844 Liquid Intelligent Technologies  logo Liquid Intelligent Technologies
AS8966 Etisalat (ETC) logo Etisalat (ETC)
AS812 Rogers Communications Canada Inc. logo Rogers Communications Canada Inc.
AS206347 Wessex Internet Limited logo Wessex Internet Limited
AS46450 Pilot Fiber, Inc. logo Pilot Fiber, Inc.
AS48362 Stadtwerke Feldkirch logo Stadtwerke Feldkirch
AS6079 RCN logo RCN
AS31950 Data Network Solutions logo Data Network Solutions
AS1653 Vetenskapsr氓det / SUNET logo Vetenskapsr氓det / SUNET
AS21396 NetConnex Broadband Ltd. logo NetConnex Broadband Ltd.
AS49544 i3D.net B.V logo i3D.net B.V
AS24482 SG.GS logo SG.GS
AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS2110 BT Communications Ireland Limited logo BT Communications Ireland Limited
AS5503 RM Education Ltd logo RM Education Ltd
AS14907 Wikimedia Foundation Inc. logo Wikimedia Foundation Inc.
AS42689 Glide Student & Residential Limited logo Glide Student & Residential Limited
AS8529 Zain Omantel International FZ-LLC logo Zain Omantel International FZ-LLC
AS56329 Gigaclear Limited logo Gigaclear Limited
AS35706 Net at Once Sweden AB logo Net at Once Sweden AB
AS21485 IP Excess AB logo IP Excess AB
AS34019 Hivane Association logo Hivane Association
AS3308 Telia Company AB (Denmark) logo Telia Company AB (Denmark)
AS8551 Bezeq International Ltd. logo Bezeq International Ltd.
AS25369 Hydra Communications Ltd logo Hydra Communications Ltd
AS42010 I.T. PROFESSIONAL SERVICES LIMITED logo I.T. PROFESSIONAL SERVICES LIMITED
AS198093 Foreningen for digitala fri- och rattigheter logo Foreningen for digitala fri- och rattigheter
AS852 TELUS Communications Inc. logo TELUS Communications Inc.
AS21700 Neptune Networks, LLC logo Neptune Networks, LLC
AS12775 JPC Infonet Ltd logo JPC Infonet Ltd
AS12301 Invitech ICT Services Kft. logo Invitech ICT Services Kft.
AS7342 VeriSign Infrastructure & Operations logo VeriSign Infrastructure & Operations
AS44066 firstcolo GmbH logo firstcolo GmbH
AS16082 Spitfire Network Services Limited logo Spitfire Network Services Limited
AS25577 BE DC Connect UK Limited logo BE DC Connect UK Limited
AS714 Apple Inc. logo Apple Inc.
AS3267 SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF ... logo SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF ...
AS16509 Amazon.com, Inc. logo Amazon.com, Inc.
AS64415 Ashgoal Limited logo Ashgoal Limited
AS50304 Blix Solutions AS logo Blix Solutions AS
AS8544 Primetel PLC logo Primetel PLC
AS199775 Connexin Limited logo Connexin Limited
AS47447 23M GmbH logo 23M GmbH
AS59395 Southern Communications Ltd logo Southern Communications Ltd
AS12390 KCOM GROUP LIMITED logo KCOM GROUP LIMITED
AS8681 JT (Jersey) Limited logo JT (Jersey) Limited
AS31472 VoiceHost Ltd logo VoiceHost Ltd
AS207003 Web1 Oy logo Web1 Oy
AS57829 IVER logo IVER
AS4004 Orange Business Services Britain, Western Africa logo Orange Business Services Britain, Western Africa
AS25460 The Networking People (TNP) Limited logo The Networking People (TNP) Limited
AS29017 NTT Data Centers (Gyron) logo NTT Data Centers (Gyron)
AS2874 -
AS6894 KDDI Europe Ltd logo KDDI Europe Ltd
AS3491 PCCW Global, Inc. logo PCCW Global, Inc.
AS13009 Redcentric Solutions Ltd logo Redcentric Solutions Ltd
AS198736 Stream Networks Ltd logo Stream Networks Ltd
AS16086 DNA Oyj logo DNA Oyj
AS16735 Algar Telecom
AS207995 Lightning Fibre Ltd logo Lightning Fibre Ltd
AS21472 ServerHouse Ltd logo ServerHouse Ltd
AS205975 Fibre Assets Ltd logo Fibre Assets Ltd
AS47699 Stiftelsen for Internetinfrastruktur logo Stiftelsen for Internetinfrastruktur
AS9498 Bharti Airtel Ltd. logo Bharti Airtel Ltd.
AS21949 Beanfield Technologies Inc. logo Beanfield Technologies Inc.
AS20915 CYBERHIVE LTD logo CYBERHIVE LTD
AS11537 Internet2 logo Internet2
AS39175 Connective Online Limited logo Connective Online Limited
AS20115 Charter Communications LLC logo Charter Communications LLC
AS5650 Frontier Communications logo Frontier Communications
AS42708 GleSYS AB logo GleSYS AB
AS29695 Lyse Tele AS logo Lyse Tele AS
AS6461 Zayo Bandwidth logo Zayo Bandwidth
AS5463 Perceval S.A. logo Perceval S.A.
AS19151 BroadbandONE, LLC logo BroadbandONE, LLC
AS2914 NTT America, Inc. logo NTT America, Inc.
AS1836 green.ch AG logo green.ch AG
AS28716 Retelit Digital Services S.p.A. logo Retelit Digital Services S.p.A.
AS8680 Sure (Guernsey) Limited logo Sure (Guernsey) Limited
AS13335 Cloudflare, Inc. logo Cloudflare, Inc.
AS19679 Dropbox, Inc. logo Dropbox, Inc.
AS44384 Crossan CableComm Ltd logo Crossan CableComm Ltd
AS396986 Bytedance, Inc. (TikTok) logo Bytedance, Inc. (TikTok)
AS39202 Global Radio Limited logo Global Radio Limited
AS20473 The Constant Company, LLC logo The Constant Company, LLC
AS37662 West Indian Ocean Cable Company
AS394354 Canadian Internet Registration Authority logo Canadian Internet Registration Authority
AS45102 Alibaba (US) Technology Co., Ltd. logo Alibaba (US) Technology Co., Ltd.
AS8943 Jump Networks Ltd logo Jump Networks Ltd
AS14361 HopOne Internet Corporation logo HopOne Internet Corporation
AS23947 PT Mora Telematika Indonesia Tbk logo PT Mora Telematika Indonesia Tbk
AS13150 CATO NETWORKS LTD logo CATO NETWORKS LTD
AS6830 Liberty Global B.V. logo Liberty Global B.V.
AS31712 GIGASTREAM LIMITED logo GIGASTREAM LIMITED
AS8501 Institute of Bioorganic Chemistry Polish Academy of S... logo Institute of Bioorganic Chemistry Polish Academy of S...
AS27552 TowardEX Technologies International, Inc. logo TowardEX Technologies International, Inc.
AS50763 MCKAYCOM LTD logo MCKAYCOM LTD
AS6169 Kentik Technologies, Inc. logo Kentik Technologies, Inc.
AS10310 Oath Holdings Inc.
AS36692 Cisco OpenDNS, LLC logo Cisco OpenDNS, LLC
AS215322 ConnectCov Networks (UK Dedicated Servers) logo ConnectCov Networks (UK Dedicated Servers)
AS8473 Bahnhof AB logo Bahnhof AB
AS35280 F5 Networks SARL logo F5 Networks SARL
AS203779 NORDFIBER AS logo NORDFIBER AS
AS13536 FirstLight Fiber, Inc. logo FirstLight Fiber, Inc.
AS60171 AFR-IX TELECOM S.A. logo AFR-IX TELECOM S.A.
AS54994 Meteverse Limited logo Meteverse Limited
AS15659 NextGenTel AS logo NextGenTel AS
AS3170 VeloxServ Communications Ltd logo VeloxServ Communications Ltd
AS56655 Gigahost AS logo Gigahost AS
AS13037 Zen Internet Ltd logo Zen Internet Ltd
AS8676 PRT Systems Limited logo PRT Systems Limited
AS50989 SITAB Infrastruktur logo SITAB Infrastruktur
AS3303 Swisscom (Schweiz) AG logo Swisscom (Schweiz) AG
AS7795 LUMOS Networks, Inc. logo LUMOS Networks, Inc.
AS3741 Dimension Data
AS212655 YouFibre Limited logo YouFibre Limited
AS30950 Eviny Digital AS logo Eviny Digital AS
AS34244 Teleservice Bredband Skane AB logo Teleservice Bredband Skane AB
AS1299 Arelion (fka. Telia Carrier) logo Arelion (fka. Telia Carrier)
AS30880 SpaceDump IT AB logo SpaceDump IT AB
AS29518 Bredband2 AB logo Bredband2 AB
AS30818 Advania 脥sland ehf (Advania Transit) logo Advania 脥sland ehf (Advania Transit)
AS1103 SURF B.V. logo SURF B.V.
AS4181 TDS TELECOM logo TDS TELECOM
AS6509 CANARIE Inc logo CANARIE Inc
AS41811 CONVERGENCE (GROUP NETWORKS) LIMITED logo CONVERGENCE (GROUP NETWORKS) LIMITED
AS60800 Netwise Hosting Ltd logo Netwise Hosting Ltd

IPv6 CIDRs (2)

2001:948::/29
2001:948::/32

Location

City

-

Country

馃嚛馃嚢 Denmark

Coordinates

56.26392, 9.501785

Timezone

-

We transparently share the different sources used to determine a likely location for this IP address. Source

whois

Abuse

Email

abuse@nordu.net

Phone

+46(0)8 20 78 60 |

Query via the API View API documentation

curl iplib.re/AS2603

JSON response

{
  "network": {
    "rir": "RIPE",
    "asn": 2603,
    "name": "NORDUnet",
    "type": "education",
    "website": "nordu.net",
    "related": [
      2844,
      39590,
      15980,
      2837,
      1653,
      2838,
      2832,
      2843,
      2846,
      2833
    ]
  },
  "connectivity": {
    "upstreams": [
      1299,
      6939,
      9002,
      6461,
      3491
    ],
    "downstreams": [
      1835,
      1741,
      224,
      1103,
      21320
    ],
    "peers": [
      15412,
      13122,
      34245,
      2906,
      19754
    ]
  },
  "location": {
    "latitude": 56.26392,
    "longitude": 9.501785,
    "country": "DK",
    "source": "whois"
  },
  "abuse": {
    "email": "abuse@nordu.net",
    "phone": "+46(0)8 20 78 60 |"
  },
  "ipv4": {
    "ranges": [
      "109.105.96.0/20",
      "109.105.106.0/24",
      "109.105.112.0/21",
      "109.105.120.0/22",
      "185.174.116.0/22"
    ],
    "cidrs": 10,
    "ips": 9728
  },
  "ipv6": {
    "ranges": [
      "2001:948::/29",
      "2001:948::/32"
    ],
    "cidrs": 2,
    "ips": 9
  }
}