Address span per AS (RIPE Region) --------------------------------- ASN No of nets /20 equiv Description 680 273 1996 DFN Verein zur Foerderung eines Deutschen Forsc 786 186 1786 JANET Jisc Services Limited, GB 1103 98 1519 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 ASGARR Consortium GARR, EU 2200 64 583 FR-RENATER Reseau National de telecommunication 559 113 550 SWITCH Peering requests: (peering@switch.ch), E 553 71 449 BELWUE BelWue-Koordination, EU 1101 11 449 IP-EEND-AS IP-EEND BV, NL 1213 17 434 HEANET, IE 766 37 376 REDIRIS RedIRIS Autonomous System, ES 378 29 284 MACHBA-AS ILAN, IL 224 13 256 UNINETT UNINETT, The Norwegian University & Res 2611 30 227 BELNET, BE 2852 22 207 CESNET2, CZ 1741 28 182 FUNETAS, FI 1653 49 151 SUNET SUNET Swedish University Network, EU 2607 14 136 SANET Slovak Academic Network, SK 1853 19 114 ACONET ACOnet Backbone, AT 1942 11 97 FR-TIGRE Toile Informatique GREnobloise, EU 1715 9 96 FR-REMIP2000 REMIP 2000 Autonomous System, EU 12816 9 96 MWN-AS, DE 2107 15 91 ARNES-NET Academic and Research Network of Slov 513 20 87 CERN, CH 8987 26 83 AMAZON EXPANSION, GB 1930 55 82 RCCN Fundacao para a Ciencia e a Tecnologia, I. 777 11 81 CEA-Saclay, EU 1955 9 81 HBONE-AS KIFU, HU 8517 9 72 ULAKNET, TR 13041 7 72 CESCA-AC, ES 3267 18 67 RUNNET, RU 5408 22 60 GR-NET http://www.grnet.gr, GR 2108 7 56 CARNET-AS J.Marohnica 5, 10000 Zagreb, HR 34878 4 49 KIT Karlsruhe Institute of Technology, DE 47610 11 49 RWTH-AS, DE 1124 4 48 UVA-NL Universiteit van Amsterdam, EU 1128 3 48 TUDELFT-NL DTO TUDELFT, The Netherlands - AS, N 1945 3 48 FR-LYRES Lyon Recherche et Enseignement Superie 2269 4 48 FR-U-PARISSUD-ORSAY FR, EU 1835 5 40 FSKNET-DK Forskningsnettet - Danish network for 8508 14 39 SILWEB-AS-EDU SILWEB Autonomous System - Academ 21449 4 33 ETATGE, CH 198864 6 33 QMW-AC-UK ===================================== 679 2 32 TUNET-AS Technische Universitaet Wien, AT 1307 2 32 FR-U-JUSSIEU-PARIS, EU 1754 3 32 DESY-HAMBURG, DE 2457 2 32 FR-RAIMU-2 Reseau de collecte des Universites d 2614 62 32 ROEDUNET, RO 15474 2 32 RHNET SURIS/RHnet, IS 25021 2 32 CIEF-AS Etat de Fribourg, SITel, CH 41289 3 32 DWD-AS, DE 760 7 24 UNIVIE University of Vienna, Austria, AT 8895 163 24 ISU Internet Services Unit (ISU), SA 9095 2 24 Istanbul Teknik Universitesi, TR 60187 34 22 LGFL-AS, GB 1887 2 20 NASK-ACADEMIC, PL 2602 6 20 RESTENA Reseau Teleinformatique de l'Education 2847 9 20 LITNET, LT 8248 6 19 GR-EDUNET, GR 8267 5 19 CYFRONET-AS Metropolitan Area Network Autonomou 1104 11 18 NIKHEF Nikhef, EU 9112 2 18 POZMAN POZMAN-EDU, PL 13092 7 18 UB-AS, RS 7 13 17 DSTL, EU 1161 3 17 AS-TUE Technische Universiteit Eindhoven (TU/e) 1205 3 17 JKU-LINZ-AS University Linz, AT 2259 4 17 FR-U-STRASBOURG OSIRIS - UNIVERSITE DE STRASBOU 2841 8 17 CHALMERS, SE 2843 8 17 LIUNET, SE 2895 6 17 FREE-NET-AS FREEnet, EU 6720 2 17 MAGWIEN, AT 12643 5 17 IGD, DE 13167 3 17 MERCK-KGAA Darmstadt / Germany, DE 42873 8 17 MPG-FR-S Freiburg, Strafrecht, DE 198096 2 17 CICA Centro Informatico Cientifico de Andalucia 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 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 5 16 FR-IDRIS-ORSAY FR, EU 1712 1 16 FR-RENATER-ENST Ecole Nationale Superieure des 1724 1 16 FR-AMPLIVIA Conseil Regional Rhone Alpes, EU 1739 1 16 TUTNET TUT Autonomous System Tampere University 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 Irisa/Inria Rennes, EU 1967 1 16 METU-NET Middle East Technical University / Ort 2012 2 16 ELTENET ELTENET, HU 2036 1 16 JOANNEUM JOANNEUM RESEARCH, AT 2060 1 16 FR-RENATER RENATER_ASNBLOCK1, EU 2065 1 16 FR-RENATER-HDMON Reseau metropolitain de Montpe 2067 1 16 THDOC reseau regional tres haut debit d'Occitan 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 2418 1 16 FR-ASNBLOCK2 FR-MAN-SOPHIA-ANTIPOLIS, 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, EU 2547 2 16 BMENET-AS Budapest University of Technology and 2592 1 16 EGE-AS BITAM Campus Netw.Man.Grp., TR 2831 1 16 LTUNET, SE 2833 2 16 SUNET-UMU, SE 2842 1 16 Goteborgs Universitet, SE 2846 3 16 Lund University, SE 2850 1 16 UNIVERSITY-COLLEGE-DUBLIN, IE 2875 1 16 JINR-AS JINR/HEPNET, RU 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 1 16 UNICOM-B-AS NREN - Bulgaria, BG 6867 2 16 UCNET, GR 6883 1 16 Parlamentsdirektion, AT 8278 1 16 TUC-AS, GR 8466 1 16 BILKENT, TR 8522 2 16 FORTH-AS, GR 8762 3 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, 25171 1 16 BKAENET-AS Budapest University of Economic Scie 25182 1 16 PUBLIEKE-OMROEP-AS NPO Nederlandse Publieke Omr 28810 2 16 WHO-AS, EU 29484 3 16 RUB-AS, DE 31581 1 16 KOPINT-AS, HU 39098 1 16 BOF-AS, FI 42165 2 16 JRC, IT 47616 1 16 CERTH, GR 50195 1 16 UM, SI 59863 1 16 NORSKREGNESENTRAL, NO 60278 1 16 HELSE-VEST-IKT, NO 60344 3 16 ASKLEPIOS-AS, DE 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 3233 28 14 RNC Romanian Natioanal 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 2683 6 9 RADIO-MSU RADIO-MSU, EU 1147 1 8 MCL-AS Medisch Centrum Leeuwarden, NL 5479 7 8 UNI-VILNIUS University Network in Vilnius, LT 6744 1 8 RACTI-NET, GR 6801 1 8 Federal State Institution Russian Scientific Ce 12423 1 8 TORMAN Torun Regional Computer Network, PL 25500 1 8 NTUU-KPI-AS, UA 30904 1 8 KOZHALO-AS, HU 51704 1 8 SWGFL, GB 2848 3 7 MSU Vorobjovy Gory, Moscow, Russia, RU 3218 12 6 COSMOS-3218-AS AS-COSMOS root, RU 5567 4 6 AS5567, RU 8286 5 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 198610 92 6 BEGET-AS, RU 288 34 5 ESA Robert Bosch Strasse 5, EU 3058 7 5 RAS-AS Joint SuperComputer Center of the Russia 8678 13 5 ANKARA-NET, TR 39857 2 5 TKY-AS, FI 49234 5 5 BSI-AS, DE 50999 11 5 KAUST-AS1, SA 2837 2 4 SUNET-KI, SE 2839 4 4 Kungliga Tekniska Hogskolan, SE 5538 3 4 SIGMANET-NIC, LV 8745 2 4 AS-BG-BAS, BG 28933 2 4 LTFE-AS, SI 31705 4 4 EUMETSAT-OPS, DE 43752 1 4 SARNET, BA 48514 2 4 CSB, SE 199155 2 4 REDE-MEC, PT 2840 2 3 GSIX, SE 5386 2 3 COSMOS-SN-AS SpaceNet, RU 6874 4 3 PSTU-AS, RU 8253 3 3 DUTHNET-AS, GR 8581 9 3 UOI, GR 9069 3 3 Athens (Egaleo) GREECE, GR 12046 10 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 ( 24620 7 3 RTU, LV 24848 5 3 KIELMAN-EDU-AS Kielce, POLAND, PL 25468 5 3 PL-POLRZE-AS Academic network in Rzeszow, Polan 29384 13 3 QATAR-FOUNDATION, QA 30971 5 3 NICAT-CORE-AS Jakob-Haringer-Strasse 8, AT 200521 41 3 SEAP-AGE, ES 2603 11 2 NORDUNET, NO 3268 1 2 U, CY 5379 1 2 MK-UKIM-1, MK 5421 1 2 SU-NET-AS, BG 5501 19 2 FRAUNHOFER-CLUSTER-BW Research Institutes sprea 6868 1 2 BMSTU-AS, RU 8450 4 2 FH-WORMS, DE 8456 16 2 ASBOUN, TR 8519 1 2 ESA-MOSNET ESA OPSNET-INTRANET, DE 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 8674 17 2 NETNOD-IX Netnod Internet Exchange Sverige AB, 8684 3 2 PSU-AS, RU 8692 7 2 BRZ, AT 8978 2 2 ASN-HOLYSEE Holy See Secretariat of State Depar 9206 9 2 MAI Moscow Aviation Institute (MAI), RU 12384 2 2 SLU-UPPSALA, SE 12687 2 2 URAN Kiev, Ukraine, UA 12925 3 2 SINP-MSU, RU 15630 1 2 UNED UNED Autonomous System, ES 15633 1 2 UOC-AS, ES 16326 2 2 SMALS-MVM, BE 20545 8 2 GRENA-AS Tbilisi, Georgia, GE 20588 1 2 FVB, DE 20965 2 2 GEANT The GEANT IP Service, EU 21274 2 2 BAS-NET-AS, BY 25244 1 2 DECODE-AS Sturlugata 8, IS 28678 3 2 KOSMAN-EDU-AS, PL 29348 1 2 FSNET-AS The Icelandic Ministry of Education, I 40981 1 2 UNIVCG, ME 41566 2 2 TUSUR-AS Tomsk, Russia, RU 42289 1 2 VTC-ITMO-AS Vuztelecomcentre, RU 44369 3 2 EMBC-EMPSN-AS EMBC-EMPSN Network Services, GB 50517 1 2 KSU, SA 51066 6 2 AUSTROCONTROL-AS, AT 59624 2 2 KIAE-COMPUTING-AS supercomputing division, RU 200943 15 2 FRAUNHOFER-MUENCHEN, DE 1140 3 1 SIDN, NL 1145 1 1 KENNISNET-AS Kennisnet, NL 1200 2 1 AMS-IX1, NL 2114 1 1 ESIC, ES 2121 1 1 RIPE-MEETING-AS, EU 2148 2 1 ITEP A.I.Alikhanov Institute, EU 2643 4 1 IHEP-SU IHEP-SU AS, EU 3319 1 1 URAN Kiev Ukraine, RU 3333 6 1 RIPE-NCC-AS Reseaux IP Europeens Network Coordi 3351 1 1 IOFFE-PHYSICAL-THECHICAL-INSTITUTE-AS, RU 5433 2 1 ROKSON-AS ROKSON-NW, RU 5480 8 1 R61NET Network of educational, scientific and, 5489 3 1 TEI-THES, GR 8398 1 1 TVERSU Russia, Tver, RU 8501 8 1 PIONIER-AS PIONIER, National Research and Educa 8611 3 1 Athens University of Economics and Business, GR 8623 1 1 UNN-AS Nizhny Novgorod, Russia, RU 8766 1 1 SGH-PL Centrum Informatyczne, PL 9103 1 1 ZIELMAN-EDU-AS Metropolitan Network ZielMAN, PL 9162 1 1 TSTU, RU 9199 3 1 RENAM, MD 12364 2 1 UOM, GR 12402 4 1 UOPIRAEUS, GR 12654 9 1 RIPE-NCC-RIS-AS Reseaux IP Europeens Network Co 12675 2 1 UAIC-NETWORK, RO 12777 1 1 OTHER, TR 13077 3 1 NCFU, RU 13242 4 1 LLU, LV 15373 5 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, 16220 5 1 UTCBNET, RO 16314 1 1 WIENKAV Stadlauer Strasse 54, AT 20549 1 1 FREE-MPEI, RU 20551 2 1 Patra, GREECE, GR 21182 4 1 OPOLMAN-AS-EDU, PL 24893 2 1 POLYNET-AS PolyNet, UA 24922 1 1 HACETTEPE, TR 25285 1 1 BOE-AS, ES 28949 16 1 TUSNET-AS 8, Kliment Ohridski St., BG 29147 2 1 NSTU-AS, RU 29493 1 1 GRIDPNPI, RU 29581 1 1 ASU, RU 29626 2 1 STAFFSCC, GB 30754 2 1 FI-PARLIAMENT-AS, FI 31256 2 1 WARWICKSHIRECC, GB 31444 3 1 SEANET-AS Russia, Saint-Petersburg, RU 31511 3 1 B-RAIL-BE-AS, BE 31575 1 1 MIET, RU 31638 21 1 ASN-LEPIDA, IT 31689 3 1 EMU-AS, TR 31738 5 1 NRCDE-AS, RU 33967 4 1 GB-LANCSCC, GB 34073 2 1 ACAD-NET, LV 34183 2 1 BMG AUSTRIA, 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 35832 6 1 BGFL, GB 39101 7 1 PITEL, RU 39662 2 1 FI-FICORA-AS, FI 39837 2 1 MUR, AT 39866 1 1 ENGEC-AS, RU 41352 2 1 UNI-SVISHTOV, BG 41915 1 1 LFRZ, AT 42236 6 1 ITRELATION-AS, DK 42364 1 1 ALELNET, RU 43066 11 1 IT-NRW, DE 44403 2 1 BRISTOL-CITY-COUNCIL, GB 44442 1 1 TELFORDWREKINCOUNCILAS, GB 47623 22 1 IIAP-ASNET-AS, AM 47862 13 1 ANKABUT, AE 49046 1 1 VRT-AS, BE 49247 1 1 ESFRS, GB 49834 4 1 BESTHOSTING, RU 50270 2 1 NPT, NO 50561 4 1 PL-PWSZWELBLAGU-AS, PL 50837 12 1 CLOUDSIGMA-AS, CH 51182 5 1 UAEU, AE 51352 3 1 VLSU-AS, RU 51708 1 1 UNIBZ-AS, IT 51751 1 1 SSTU-AS, RU 51989 2 1 GRADRI-AS, HR 52215 5 1 HAMPSHIRE-COUNTY-COUNCIL, GB 56357 2 1 TUM-I8-AS Chair for Network Architectures and S 57331 8 1 NIKS-AS, BY 57961 2 1 RASH-AS Academic Network of Albania Autonomous 58046 2 1 HKOM-AS, SI 60824 6 1 FRAUNHOFER-FREIBURG, DE 61137 5 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 198444 4 1 NOVSU-RUNNET, RU 199936 1 1 UPLUBLIN, PL 200611 1 1 ITSLEARNING-, DK 201648 2 1 PLZ-AS-, CZ 207263 1 1 TUBITAK-BILGEM, TR 209631 1 1 TOPIX4SCHOOLS, IT