Address span per AS (RIPE Region) --------------------------------- ASN No of nets /20 equiv Description 680 284 1899 DFN Verein zur Foerderung eines Deutschen Forsc 786 186 1767 JANET Jisc Services Limited, GB 1103 95 1503 SURFNET-NL SURFnet, The Netherlands, NL 137 81 676 ASGARR Consortium GARR, IT 2200 63 598 FR-RENATER Reseau National de telecommunication 559 114 533 SWITCH Peering requests: peering@switch.ch, CH 1101 13 481 IP-EEND-AS IP-EEND BV, NL 553 78 462 BELWUE BelWue-Koordination, DE 1213 17 450 HEANET, IE 766 34 376 REDIRIS RedIRIS Autonomous System, ES 378 36 284 MACHBA-AS ILAN, IL 224 14 256 UNINETT UNINETT, The Norwegian University & Res 2611 30 211 BELNET, BE 2852 22 207 CESNET2, CZ 1653 53 151 SUNET SUNET Swedish University Network, EU 1741 39 149 FUNETAS, FI 2607 33 128 SANET Slovak Academic Network, SK 2107 16 99 ARNES-NET Academic and Research Network of Slov 1942 12 97 FR-TIGRE Toile Informatique GREnobloise, EU 1955 10 97 HBONE-AS KIFU, HU 1715 9 96 FR-REMIP2000 REMIP 2000 Autonomous System, EU 12816 9 96 MWN-AS, DE 1930 79 88 RCCN Fundacao para a Ciencia e a Tecnologia, I. 513 20 87 CERN, CH 1853 17 82 ACONET ACOnet Backbone, AT 777 11 81 CEA-Saclay, EU 8517 8 72 ULAKNET, TR 13041 7 72 CESCA-AC, ES 47610 12 65 RWTH-AS, DE 5408 38 60 GR-NET www.grnet.gr, GR 2108 7 56 CARNET-AS J.Marohnica 5, 10000 Zagreb, HR 34878 4 49 KIT Karlsruhe Institute of Technology, DE 1124 4 48 UVA-NL Universiteit van Amsterdam, EU 1128 3 48 TUDELFT-NL DTO TUDELFT, The Netherlands - AS, N 1945 5 48 FR-LYRES Lyon Recherche et Enseignement Superie 3267 77 44 RUNNET, RU 1835 5 40 FSKNET-DK Forskningsnettet - Danish network for 8508 15 39 SILWEB-AS-EDU SILWEB Autonomous System - Academ 21449 4 33 ETATGE, CH 198864 6 33 QMW-AC-UK , GB 679 2 32 TUNET-AS Technische Universitaet Wien, AT 1307 2 32 FR-U-JUSSIEU-PARIS, EU 1754 4 32 DESY-HAMBURG, DE 1926 2 32 UTANET-AS, FI 2269 3 32 FR-U-PARISSUD-ORSAY FR, EU 2457 2 32 FR-RAIMU-2 Reseau de collecte des Universites d 15474 2 32 RHNET SURISRHnet, IS 25021 2 32 CIEF-AS Etat de Fribourg, SITel, CH 41289 2 32 DWD-AS, DE 2614 93 27 ROEDUNET, RO 760 7 24 UNIVIE University of Vienna, Austria, AT 8895 161 24 ISU Internet Services Unit ISU, SA 9095 2 24 Istanbul Teknik Universitesi, TR 60187 36 22 LGFL-AS, GB 1887 2 20 NASK-ACADEMIC, PL 2602 6 20 RESTENA Reseau Teleinformatique de lEducation N 2847 9 20 LITNET, LT 8248 8 19 GR-EDUNET, GR 8267 5 19 CYFRONET-AS Metropolitan Area Network Autonomou 1104 11 18 NIKHEF Nikhef, NL 9112 2 18 POZMAN POZMAN-EDU, PL 13092 7 18 UB-AS, RS 207592 4 18 GOENET, DE 7 12 17 DSTL, EU 1161 2 17 AS-TUE Technische Universiteit Eindhoven TUe, N 1205 3 17 JKU-LINZ-AS University Linz, AT 2259 5 17 FR-U-STRASBOURG OSIRIS - UNIVERSITE DE STRASBOU 2841 8 17 CHALMERS, SE 5520 6 17 UNI-KOELN, DE 6720 2 17 MAGWIEN, AT 12643 5 17 IGD, DE 198096 2 17 CICA Centro Informatico Cientifico de Andalucia 200233 2 17 BFH, CH 565 1 16 VTT-AS VTT autonomous system, FI 776 1 16 FR-INRIA-SOPHIA INRIA Sophia-Antipolis, EU 782 1 16 FR-LORIA AS for the Laboratoire en recherche i 789 3 16 IN2P3 IN2P3 Autonomous System, EU 1109 1 16 UNI-SALZBURG University of Salzburg, AT 1110 1 16 University of Innsbruck, AT 1111 1 16 University of Klagenfurt, AT 1113 1 16 TUGNET Technische Universitaet Graz, AT 1114 1 16 Universitaet Graz, AT 1117 1 16 BOKU Universitaet fuer Bodenkultur Wien, EU 1133 1 16 UTWENTE-AS University Twente, NL 1303 4 16 FR-IDRIS-ORSAY FR, EU 1712 28 16 FR-RENATER-ENST Ecole Nationale Superieure des 1724 1 16 FR-AMPLIVIA Conseil Regional Rhone Alpes, EU 1776 1 16 Wirtschaftsuniversitaet Wien, AT 1881 2 16 FMV, SE 1935 2 16 FR-RENATER-LIMOUSIN Reseau Regional Limousin, E 1938 1 16 FR-RENATER-IRISA IrisaInria Rennes, EU 1967 1 16 METU-NET Middle East Technical University Orta 2012 2 16 ELTENET ELTENET, HU 2036 1 16 JOANNEUM JOANNEUM RESEARCH, AT 2060 1 16 FR-RENATER RENATER_ASNBLOCK1, EU 2067 1 16 THDOC reseau regional tres haut debit dOccitani 2094 1 16 FR-TELECOM-MANAGEMENT-SUDPARIS Telecom & Manage 2103 1 16 FR-IFREMER-BREST IFREMER Centre de Brest, EU 2202 6 16 FR-RENATER-REAUMUR Reseau Regional REAUMUR, EU 2426 1 16 FR-RENATER-RUBIS RUBIS Metropolitan Area Networ 2439 1 16 FR-REMUS MAN of the Polytechnicum, EU 2450 1 16 CNES-Toulouse, EU 2488 1 16 IIASA-NET International Institute for Applied S 2494 1 16 MUWNET MUWNET Autonomous System, AT 2546 1 16 ARIADNE-T Ariadne-t Network, GR 2547 1 16 BMENET-AS Budapest University of Technology and 2831 1 16 LTUNET, SE 2833 2 16 SUNET-UMU, SE 2842 1 16 Goteborgs Universitet, SE 2843 1 16 LIUNET, SE 2846 2 16 Lund University, SE 2850 1 16 UNIVERSITY-COLLEGE-DUBLIN, IE 3219 1 16 HU-GOVNET Hungarian Governmental IP Network, HU 3221 2 16 EENET-AS, EE 3314 1 16 KFKI-AS IP networks of KFKI, HU 3323 1 16 NTUA, GR 5470 2 16 ASAUTHNET AUTH-NET-AS, GR 5516 8 16 INESC Lisboa, Portugal, PT 5550 1 16 TASK-AS Gdansk University of Technology, PL 6711 1 16 HUNGARNET-SZEGED Szeged University Association 6802 4 16 UNICOM-B-AS NREN - Bulgaria, BG 6867 2 16 UCNET, GR 6883 1 16 Parlamentsdirektion, AT 8278 1 16 TUC-AS, GR 8522 2 16 FORTH-AS, GR 8762 6 16 TEI-OF-CRETE-AS, GR 8970 1 16 WASK WROCMAN-EDU educational part of WASK netwo 12324 5 16 LUBMAN-EDU-AS Poland, Lublin, PL 13040 1 16 ASN-FIZ, DE 13303 3 16 UNNI-AS, RS 15488 1 16 UPV-EHU, ES 15496 1 16 Aalto University, FI 20633 1 16 UNIFFM-NET cords@rz.uni-frankfurt.de 20101227, 25182 1 16 PUBLIEKE-OMROEP-AS NPO Nederlandse Publieke Omr 28810 2 16 WHO-AS, CH 29484 5 16 RUB-AS, DE 31581 1 16 KOPINT-AS, HU 39098 1 16 BOF-AS, FI 42165 2 16 JRC, BE 47616 1 16 CERTH, GR 50195 1 16 UM, SI 59863 1 16 NORSKREGNESENTRAL, NO 60278 1 16 HELSE-VEST-IKT, NO 198878 1 16 UNAV, ES 199578 4 16 UNIKL, DE 201773 2 16 UOW-AS, GB 202575 1 16 UNI-HULL, GB 205046 2 16 FZI-AS-1, DE 209237 1 16 NPL-MANG-LTD, GB 209335 2 16 TUM-RBG, DE 210482 1 16 AS_MDCBLN, DE 210543 2 16 KAGES, AT 211817 1 16 WSR, AT 2834 4 14 UUNET, SE 3233 29 14 ICI-ROTLD Romanian National R&D Network, RO 197451 3 14 VUTBR-AS, CZ 8643 4 13 ATHENANET Academic and Research Network in the 8256 6 10 LODMAN-AS Metropolitan Area Network LODMAN, PL 43844 5 10 UPPSALA-STUDENT-NETWORK, SE 58046 5 9 HKOM-AS, SI 1147 1 8 MCL-AS Medisch Centrum Leeuwarden, NL 2683 2 8 RADIO-MSU MSU, RU 5479 7 8 UNI-VILNIUS University Network in Vilnius, LT 6744 1 8 RACTI-NET, GR 12423 1 8 TORMAN Torun Regional Computer Network, PL 25500 3 8 NTUU-KPI-AS, UA 30904 1 8 KOZHALO-AS, HU 50999 5 8 KAUST-AS1, SA 51704 1 8 SWGFL, GB 2848 3 7 MSU Vorobjovy Gory, Moscow, Russia, RU 42081 6 7 ECMWF-IT, GB 5567 4 6 AS5567, RU 8286 4 6 ACI-EDU-AS ZUT ACI Educational AS, PL 8326 5 6 PL-BYDMAN-EDU Educational Users, PL 8865 8 6 ASN-BIAMAN-EDU MSK BIAMAN, PL 2117 2 5 Garching, Germany, DE 8678 13 5 ANKARA-NET, TR 39857 2 5 TKY-AS, FI 49234 6 5 BSI-AS, DE 199155 3 5 REDE-MEC, PT 2837 1 4 SUNET-KI, SE 2839 5 4 Kungliga Tekniska Hogskolan, SE 3218 21 4 COSMOS-3218-AS AS-COSMOS root, RU 5538 3 4 SIGMANET-NIC, LV 8745 2 4 AS-BG-BAS, BG 25468 7 4 PL-POLRZE-AS Academic network in Rzeszow, Polan 31705 4 4 EUMETSAT-OPS, DE 43752 1 4 SARNET, BA 48514 2 4 CSB, SE 200521 56 4 SEAP-AGE, ES 2840 2 3 GSIX, SE 2895 8 3 FREE-NET-AS FREEnet, RU 5386 6 3 COSMOS-SN-AS SpaceNet, RU 5387 10 3 NSC, RU 8253 3 3 DUTHNET-AS, GR 8456 22 3 ASBOUN, TR 8748 2 3 Blekinge Tekniska Hogskola, SE 9069 3 3 Athens Egaleo GREECE, GR 12046 6 3 ASN-CSC-UOM RicerkaNet, EU 12464 3 3 PW-NET, PL 12724 2 3 LASERNET-AS LaserNet - research network of the 12762 4 3 VTG-, AT 12991 3 3 LAND-OOE Rechenzentrum, AT 15798 9 3 OLMAN-EDU-AS OLMAN, Metropolitan Area Network e 24620 7 3 RTU, LV 24848 5 3 KIELMAN-EDU-AS Kielce, POLAND, PL 29384 11 3 QATAR-FOUNDATION, QA 60824 23 3 FRAUNHOFER-FREIBURG, DE 2603 10 2 NORDUNET, DK 3268 2 2 U, CY 5379 1 2 MK-UKIM-1, MK 5421 1 2 SU-NET-AS, BG 5501 20 2 FRAUNHOFER-CLUSTER-BW Research Institutes sprea 6868 1 2 BMSTU-AS, RU 6874 2 2 PSTU-AS, RU 8519 1 2 ESA-MOSNET ESA OPSNET-INTRANET, DE 8581 7 2 UOI, GR 8605 3 2 LANET, LV 8617 4 2 University of the Aegean, GR 8663 2 2 KUBANNET, RU 8664 6 2 ICM-PUB public network services, PL 8670 1 2 UTIC_AUTONOMUS_SYSTEM, BA 8674 16 2 NETNOD-IX Netnod AB, SE 8684 2 2 PSU-AS, RU 8978 2 2 ASN-HOLYSEE Holy See Secretariat of State Depar 9113 2 2 VLANT-AS, RU 12384 2 2 SLU-UPPSALA, SE 12675 7 2 UAIC-NETWORK, RO 12925 3 2 SINP-MSU, RU 13042 1 2 ASN-OENB-, AT 15630 1 2 UNED UNED Autonomous System, ES 16251 2 2 Hogskolan i Gavle, SE 16326 2 2 SMALS-MVM, BE 20545 7 2 GRENA-AS Tbilisi, Georgia, GE 20588 1 2 FVB, DE 20965 2 2 GEANT The GEANT IP Service, NL 24614 4 2 SAKARYA-NET-AS, TR 24922 3 2 HACETTEPE, TR 25244 2 2 DECODE-AS Sturlugata 8, IS 28678 3 2 KOSMAN-EDU-AS, PL 29348 1 2 FSNET-AS The Icelandic Ministry of Education, I 30971 4 2 NICAT-CORE-AS Jakob-Haringer-Strasse 8, AT 39484 2 2 POAS-AS, FI 40981 1 2 UNIVCG, ME 41566 2 2 TUSUR-AS Tomsk, Russia, RU 42289 7 2 ITMO-AS ITMO, RU 44369 3 2 EMBC-EMPSN-AS EMBC-EMPSN Network Services, GB 50517 1 2 KSU, SA 51066 6 2 AUSTROCONTROL-AS, AT 200943 18 2 FRAUNHOFER-MUENCHEN, DE 210358 2 2 IMEC, BE 211249 9 2 YILDIZ-EDU-NET, TR 288 10 1 ESA Robert Bosch Strasse 5, DE 1140 3 1 SIDN, NL 1145 1 1 KENNISNET-AS Kennisnet, NL 1152 1 1 SIVON-AS the Netherlands, NL 1200 3 1 AMS-IX NL Administrative network, NL 1880 14 1 STUPI, SE 2114 1 1 ESIC, ES 2121 1 1 RIPE-MEETING-AS, NL 3333 6 1 RIPE-NCC-AS Reseaux IP Europeens Network Coordi 3351 1 1 IOFFE-PHYSICAL-THECHICAL-INSTITUTE-AS, RU 5433 3 1 ROKSON-AS ROKSON-NW, RU 5480 8 1 R61NET Network of educational, scientific and, 5489 3 1 TEI-THES, GR 8398 4 1 TVERSU Russia, Tver, RU 8501 8 1 PIONIER-AS PIONIER, National Research and Educa 8506 1 1 Academy of Irkutsk Scientific Centre of Siberia 8611 3 1 Athens University of Economics and Business, GR 8692 3 1 BRZ, AT 8766 1 1 SGH-PL Centrum Informatyczne, PL 8941 5 1 MRSU-AS, RU 9103 1 1 ZIELMAN-EDU-AS Metropolitan Network ZielMAN, PL 9162 1 1 TSTU, RU 9199 8 1 RENAM, MD 12364 2 1 UOM, GR 12402 4 1 UOPIRAEUS, GR 12687 6 1 URAN Kiev, Ukraine, UA 12777 2 1 OTHER, TR 13077 3 1 NCFU, RU 13242 4 1 LLU, LV 15373 6 1 CZESTMAN-AS Academic AS dedicated to Metropolit 15665 2 1 WOLA-AS Campus Wola autonomous system, PL 15770 1 1 DERWENTSIDE, GB 16004 1 1 MIXITA-AS Milan Italy interconnection point, IT 16220 5 1 UTCBNET, RO 16314 1 1 WIENKAV Stadlauer Strasse 54, AT 20549 1 1 FREE-MPEI, RU 20745 1 1 ASCN, IT 21182 4 1 OPOLMAN-AS-EDU, PL 21274 1 1 BAS-NET-AS, BY 25285 1 1 BOE-AS, ES 28949 15 1 TUSNET-AS 8, Kliment Ohridski St., BG 29147 2 1 NSTU-AS, RU 29581 1 1 ASU, RU 29609 1 1 ITC-AS, IT 29626 2 1 STAFFSCC, GB 31256 2 1 WARWICKSHIRECC, GB 31575 1 1 MIET, RU 31638 21 1 ASN-LEPIDA, IT 31689 5 1 EMU-AS, TR 31738 5 1 NRCDE-AS, RU 33967 4 1 GB-LANCSCC, GB 34073 3 1 ACAD-NET, LV 34183 2 1 BMG Bundesministerium f. Gesundheit, AT 34285 2 1 JJAA-AS, ES 34511 4 1 F-INTEGRA-AS Manresa 5, ES 34520 1 1 DFG-AS, DE 34862 2 1 IRE-AS, RU 35038 4 1 INESCTEC Instituto de Engenharia de Sistemas e 39503 4 1 SPBPU-AS, RU 39662 2 1 FI-FICORA-AS, FI 39837 2 1 MUR, AT 41352 2 1 UNI-SVISHTOV, BG 41915 1 1 LFRZ, AT 42236 6 1 ITM8-AS, DK 42307 2 1 SMHI-AS, SE 42364 1 1 ALELNET, RU 43066 3 1 IT-NRW, DE 44403 2 1 BRISTOL-CITY-COUNCIL, GB 44442 1 1 TELFORDWREKINCOUNCILAS, GB 47623 4 1 IIAP-ASNET-AS, AM 47862 12 1 ANKABUT, AE 48670 1 1 UNIS, RU 49046 1 1 VRT-AS, BE 49247 1 1 ESFRS, GB 49834 5 1 BESTHOSTING, RU 50270 2 1 NPT, NO 50561 4 1 PL-PWSZWELBLAGU-AS, PL 51182 5 1 UAEU, AE 51352 3 1 VLSU-AS, RU 51708 1 1 UNIBZ-AS, IT 51989 1 1 GRADRI-AS, HR 56357 3 1 TUM-I8-AS Chair for Network Architectures and S 57961 2 1 RASH-AS Academic Network of Albania Autonomous 61137 4 1 ANKABUTSERVICES, AE 197277 3 1 SUKL_AS, CZ 197467 3 1 Samara University, RU 197768 1 1 SIBSTRIN-AS, RU 197829 4 1 GOBIERNO-DE-NAVARRA, ES 198336 1 1 CUT, CY 198455 1 1 I2-HOSTING, DK 199936 1 1 UPLUBLIN, PL 200611 1 1 ITSLEARNING-, DK 201648 2 1 PLZ-AS-, CZ 209631 1 1 TOP-IX4SCHOOLS AS for TOP-IX4Schools project, I 211775 2 1 NGFL-ASN, GB