Autonomous System
AS2603 — NORDUNET - NORDUnet(DK)
Last fetched
AS2603 is an Autonomous System operated by NORDUNET - NORDUnet and registered in DK. As of Fri, 04 Sep 2026 00:53:10 GMT, it announces 12 routed IP prefixes and peers with 68 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS2603 announces 12 distinct routed prefixes. The 12-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
68 distinct peers via BGP. The first 68 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1103 | SURFNET-NL - SURF B.V. | NL |
| AS1136 | KPN - KPN B.V. | NL |
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2 | US |
| AS12389 | ROSTELECOM-AS - PJSC Rostelecom | RU |
| AS1257 | SWIPNET - Tele2 Sverige AB | — |
| AS1273 | CW - IDDQD-AS | — |
| AS12779 | ITGATE - IT.Gate S.p.A. | IT |
| AS12859 | NL-BIT - BIT BV | NL |
| AS1299 | TWELVE99 - Arelion Sweden AB | SE |
| AS15474 | RHNET - Rannsokna- og haskolanet Islands hf. | IS |
| AS15830 | Equinix - Equinix (EMEA) Acquisition Enterprises B.V. | NL |
| AS1653 | SUNET - Vetenskapsradet / SUNET | — |
| AS1741 | FUNETAS - CSC - Tieteen tietotekniikan keskus Oy | FI |
| AS1764 | NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | AT |
| AS1835 | FSKNET-DK - IDDQD-AS | — |
| AS1836 | GREEN - green.ch AG | CH |
| AS198093 | DFRI-AS - Foreningen for digitala fri- och rattigheter | SE |
| AS20473 | AS-VULTR - The Constant Company, LLC | US |
| AS20514 | QBRANCH - Axians AB | SE |
| AS20562 | OPEN-PEERING-AS - Broadband Hosting B.V. | NL |
| AS20764 | RASCOM-AS - CJSC RASCOM | RU |
| AS20965 | GEANT - GEANT Vereniging | NL |
| AS21320 | GEANT_IAS_VRF - GEANT Vereniging | NL |
| AS224 | UNINETT - Sikt - Kunnskapssektorens Tjenesteleverandor | NO |
| AS24482 | SGGS-AS-AP - SG.GS | SG |
| AS24961 | MYLOC-AS - WIIT AG | DE |
| AS25091 | IP-Max - IP-Max SA | CH |
| AS2832 | AS-SUNET-TESTBED - Vetenskapsradet / SUNET | SE |
| AS2847 | LITNET - Kauno Technologijos Universitetas | LT |
| AS29075 | IELO - IELO-LIAZO SERVICES SAS | FR |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | US |
| AS29169 | GANDI-AS - GANDI SAS | FR |
| AS29838 | AMC - Atlantic Metro Communications II, Inc. | US |
| AS30781 | JAGUAR-AS - Free Pro SAS | FR |
| AS31500 | GNM-AS - Global Network Management Inc | AG |
| AS3214 | XTOM - xTom GmbH | DE |
| AS3221 | EENet-AS - Haridus- ja Teadusministeerium | EE |
| AS3333 | RIPE-NCC-AS - Reseaux IP Europeens Network Coordination Centre (RIPE NCC) | NL |
| AS33891 | CORE-BACKBONE - Core-Backbone GmbH | DE |
| AS34019 | HIVANE - Hivane Association | FR |
| AS34549 | MEER-AS - meerfarbig GmbH & Co. KG | DE |
| AS3491 | PCCWG-APAC-HK - PCCW Global (HK) Ltd. | HK |
| AS39590 | NDGF - NORDUnet | DK |
| AS42708 | GLESYS - Glesys AB | SE |
| AS4635 | HKIX-RS1 - Hong Kong Internet Exchange--Route Server 1 | HK |
| AS48185 | team_blue - team.blue NV | BE |
| AS48362 | TKSWF-AS - Stadtwerke Feldkirch | AT |
| AS49559 | IPT-1-IX - A-Systems Sp. z o.o. | PL |
| AS50304 | BLIX - Blix Solutions AS | NO |
| AS50629 | LWLCOM - LWLcom GmbH | DE |
| AS56655 | GIGAHOST - Gigahost AS | NO |
| AS61049 | EXASCALE - Exascale Ltd | GB |
| AS6327 | SHAW - Shaw Communications | CA |
| AS6461 | ZAYO-6461 - Zayo Bandwidth | US |
| AS6696 | VERIXI - VERIXI SA | BE |
| AS6762 | SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A. | IT |
| AS6830 | LibertyGlobal - Liberty Global Europe Holding B.V. | NL |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS7575 | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | AU |
| AS812 | ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc. | CA |
| AS8359 | MTS - MTS PJSC | RU |
| AS8434 | TELENOR-SE - Telenor Sverige AB | SE |
| AS8447 | A1TELEKOM-AT - A1 Telekom Austria AG | AT |
| AS8501 | PIONIER-AS - Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center | PL |
| AS852 | ASN852 - TELUS Communications Inc. | CA |
| AS8674 | NETNOD-IX - Netnod AB | SE |
| AS8966 | Etisalat-AS - EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | AE |
| AS9002 | RETN-AS - RETN Limited | GB |
Blast radius
Count of dependent hostnames if AS2603 disappeared from the routing table.
1,409 hostnames depend on this network.Exact count across all 12 announced prefixes. Snapshot Thu, 16 Jul 2026 02:00:55 GMT.
MOAS / hijack watch
Prefixes routed by AS2603 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
| Prefix | Conflicting ASN | Operator |
|---|---|---|
| 193.10.255.0/24 | AS2832 | AS-SUNET-TESTBED - Vetenskapsradet / SUNET |
Threat posture
Related pages
Pivot deeper into the graph from AS2603.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS2603"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.