Address span per AS (RIPE Region) --------------------------------- ASN No of nets /20 equiv Description 680 276 2012 DFN Verein zur Foerderung eines Deutschen Forsc 786 185 1800 JANET Jisc Services Limited, GB 1103 94 1512 SURFNET-NL SURFnet, The Netherlands, NL 137 78 676 ASGARR Consortium GARR, IT 2200 64 559 FR-RENATER Reseau National de telecommunication 559 106 550 SWITCH Peering requests: (peering@switch.ch), C 1101 11 449 IP-EEND-AS IP-EEND BV, NL 1213 15 449 HEANET, IE 553 68 448 BELWUE BelWue-Koordination, DE 766 37 384 REDIRIS RedIRIS Autonomous System, ES 378 29 284 MACHBA-AS ILAN, IL 224 14 256 UNINETT UNINETT, The Norwegian University & Res 2611 23 226 BELNET, BE 2852 22 207 CESNET2, CZ 1741 27 182 FUNETAS, FI 1653 46 151 SUNET SUNET Swedish University Network, SE 2607 14 136 SANET Slovak Academic Network, SK 1853 16 114 ACONET ACOnet Backbone, AT 1942 10 96 FR-TIGRE Toile Informatique GREnobloise, FR 12816 9 96 MWN-AS, DE 2107 15 91 ARNES-NET Academic and Research Network of Slov 777 11 81 CEA-Saclay, FR 1955 8 81 HBONE-AS HUNGARNET, HU 1930 51 80 RCCN Fundacao para a Ciencia e a Tecnologia, I. 8517 10 72 ULAKNET, TR 13041 7 72 CESCA-AC, ES 3267 15 67 RUNNET, RU 8987 17 66 AMAZON EXPANSION, GB 513 4 64 CERN, CH 5408 25 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 10 49 RWTH-AS, DE 1124 4 48 UVA-NL Universiteit van Amsterdam, NL 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 1835 8 41 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 Vienna University of Technology, AT 1307 2 32 FR-U-JUSSIEU-PARIS, FR 1754 3 32 DESY-HAMBURG, DE 2426 2 32 FR-RENATER-RUBIS RUBIS Metropolitan Area Networ 2457 2 32 FR-RAIMU-2 Reseau de collecte des Universites d 2614 63 32 ROEDUNET, RO 2895 3 32 FREE-NET-AS FREEnet, RU 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 167 24 ISU Internet Services Unit (ISU), SA 9095 2 24 , TR 1887 2 20 NASK-ACADEMIC, PL 2602 6 20 RESTENA Reseau Teleinformatique de l'Education 2847 12 20 LITNET, LT 8248 6 19 GR-EDUNET, GR 8267 5 19 CYFRONET-AS Metropolitan Area Network Autonomou 1104 10 18 NIKHEF Nikhef, NL 9112 2 18 POZMAN POZMAN-EDU, PL 13092 7 18 UB-AS, RS 7 13 17 DSTL, GB 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 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, FR 781 2 16 FR-RENATER-LOTHAIRE Reseaux Regionaux StanNet e 789 3 16 IN2P3 IN2P3 Autonomous System, FR 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, AT 1133 1 16 UTWENTE-AS University Twente, NL 1199 2 16 SPEELTUIN-AS SURFnet, NL 1303 5 16 FR-IDRIS-ORSAY, FR 1739 1 16 TUTNET TUT Autonomous System, FI 1776 1 16 Wirtschaftsuniversitaet Wien, AT 1935 2 16 FR-RENATER-LIMOUSIN Reseau Regional Limousin, F 1938 1 16 FR-RENATER-IRISA Irisa/Inria Rennes, FR 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, FR 2065 1 16 FR-RENATER-HDMON Reseau metropolitain de Montpe 2094 1 16 FR-TELECOM-MANAGEMENT-SUDPARIS Telecom & Manage 2103 1 16 FR-IFREMER-BREST IFREMER Centre de Brest, FR 2202 6 16 FR-RENATER-REAUMUR Reseau Regional REAUMUR, FR 2418 1 16 FR-ASNBLOCK2 FR-MAN-SOPHIA-ANTIPOLIS, FR 2439 1 16 FR-REMUS MAN of the Polytechnicum, FR 2450 1 16 CNES-Toulouse, FR 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 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 , SE 2843 4 16 LIUNET, SE 2846 3 16 , 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 1 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 1 16 UCNET, GR 6883 1 16 , AT 8278 1 16 TUC-AS, GR 8466 1 16 BILKENT, TR 8522 1 16 FORTH-AS, GR 8762 1 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 , 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 29484 3 16 RUB-AS, DE 31581 1 16 KOPINT-AS, HU 39098 1 16 BOF-AS, FI 42165 2 16 JRC, IT 42987 17 16 VM-LGFL, GB 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 199749 1 16 PRISME, FR 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 27 14 RNC Romanian Natioanal R&D Network, RO 197451 3 14 VUTBR-AS, CZ 8643 3 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, RU 1147 1 8 MCL-AS Medisch Centrum Leeuwarden, NL 5479 8 8 UNI-VILNIUS University Network in Vilnius, LT 6744 1 8 RACTI-NET, GR 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 288 35 6 ESA Robert Bosch Strasse 5, DE 3218 12 6 COSMOS-3218-AS AS-COSMOS root, 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 60187 17 6 LGFL-AS, GB 3058 5 5 RAS-AS Joint SuperComputer Center of the Russia 3268 4 5 CYNET, CY 8678 13 5 ANKARA-NET, TR 8890 2 5 UW-AS, PL 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 5 4 , SE 5429 6 4 IIP-NET-AS5429, RU 5538 4 4 SIGMANET-NIC, LV 25100 1 4 MIPT-NET, RU 28933 2 4 LTFE-AS, SI 31705 6 4 EUMETSAT-OPS, DE 43752 1 4 SARNET, BA 48514 1 4 CSB, SE 199155 2 4 REDE-MEC, PT 2840 2 3 GSIX, SE 12046 4 3 ASN-CSC-UOM RicerkaNet, MT 12464 3 3 PW-NET, PL 12762 3 3 VTG-, AT 12991 3 3 LAND-OOE Rechenzentrum, AT 15798 9 3 OLMAN-EDU-AS OLMAN, Metropolitan Area Network ( 24620 6 3 RTU, LV 24848 5 3 KIELMAN-EDU-AS Kielce, POLAND, PL 25468 5 3 PL-POLRZE-AS Academic network in Rzeszow, Polan 29384 11 3 QATAR-FOUNDATION, QA 30971 5 3 NICAT-CORE-AS Jakob-Haringer-Strasse 8, AT 200521 41 3 SEAP-AGE, ES 2072 33 2 FR-RENATER-REVE Reseau REVE, FR 2603 11 2 NORDUNET, NO 3208 32 2 ARN, DZ 5379 1 2 MK-UKIM-1, MK 5421 1 2 SU-NET-AS, BG 5433 4 2 ROKSON-AS ROKSON-NW, RU 5467 3 2 MIPT MIPT-NET, RU 6671 1 2 , RU 6868 1 2 BMSTU-AS, RU 6874 4 2 PSTU-AS, RU 8411 1 2 , RU 8450 4 2 FH-WORMS, DE 8456 15 2 ASBOUN, TR 8519 1 2 ESA-MOSNET ESA OPSNET-INTRANET, DE 8605 3 2 LANET, LV 8663 1 2 KUBANNET, RU 8664 6 2 ICM-PUB public network services, PL 8674 18 2 NETNOD-IX Netnod Internet Exchange Sverige AB, 8684 3 2 PSU-AS, RU 8978 2 2 ASN-HOLYSEE Holy See Secretariat of State Depar 9111 3 2 ASN-PRCNIT, RU 12384 2 2 SLU-UPPSALA, SE 12687 2 2 URAN Kiev, Ukraine, UA 12724 1 2 LASERNET-AS LaserNet - research network of the 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 20588 1 2 FVB, DE 20965 2 2 GEANT The GEANT IP Service, GB 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 4 2 KIAE-COMPUTING-AS supercomputing division, RU 198499 2 2 QUNIV, QA 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, NL 2148 3 1 ITEP A.I.Alikhanov Institute, RU 2643 3 1 IHEP-SU AS, RU 3277 2 1 RUSNET-AS "NPO RUSnet", RU 3319 1 1 KSNET Kiev Ukraine, RU 3333 6 1 RIPE-NCC-AS Reseaux IP Europeens Network Coordi 3351 1 1 IOFFE-PHYSICAL-THECHICAL-INSTITUTE-AS, RU 5480 8 1 R61NET Network of educational, scientific and, 5501 8 1 FRAUNHOFER-CLUSTER-BW Research Institutes sprea 6879 23 1 ENSTINET-, EG 8398 1 1 TVERSU Russia, Tver, RU 8510 1 1 Tomsk, Russia, RU 8623 1 1 UNN-AS Nizhny Novgorod, Russia, RU 8692 6 1 BRZ, AT 8766 1 1 SGH-PL Centrum Informatyczne, PL 9103 1 1 ZIELMAN-EDU-AS Metropolitan Network ZielMAN, PL 9162 1 1 TSTU, RU 9199 4 1 RENAM, MD 9206 8 1 MAI Moscow Aviation Institute (MAI), RU 12654 10 1 RIPE-NCC-RIS-AS Reseaux IP Europeens Network Co 12675 2 1 UAIC-NETWORK, RO 12777 1 1 OTHER, TR 13077 2 1 NCFU, RU 13242 4 1 LLU, LV 15373 5 1 CZESTMAN-AS Academic AS dedicated to Metropolit 15390 6 1 SELCUK-NET-AS, TR 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 20545 7 1 GRENA-AS Tbilisi, Georgia, GE 20549 1 1 FREE-MPEI, RU 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 29581 1 1 ASU, RU 29584 15 1 AZEDUNET-AS, AZ 29626 2 1 STAFFSCC, GB 30754 2 1 FI-PARLIAMENT-AS, FI 31256 2 1 WARWICKSHIRECC, GB 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 BMGAT-AS AUSTRIA, AT 34285 2 1 JJAA-AS, ES 34511 4 1 F-INTEGRA-AS Manresa 5, ES 34520 1 1 DFG-AS, DE 34707 1 1 KEMSU-AS, RU 34862 2 1 IRE-AS, RU 35038 4 1 INESCTEC Instituto de Engenharia de Sistemas e 35299 1 1 ASC2K Classroom 2000, GB 35832 6 1 BGFL, GB 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 43030 1 1 TARENA-AS Tajik National Research Education Net 43066 12 1 IT-NRW, DE 44403 2 1 BRISTOL-CITY-COUNCIL, GB 44442 1 1 TELFORDWREKINCOUNCILAS, GB 47623 22 1 IIAP-ASNET-AS, AM 47862 12 1 ANKABUT, AE 49046 1 1 VRT-AS, BE 49247 1 1 ESFRS, GB 50270 1 1 NPT, NO 50457 14 1 ITRELATION-AS, DK 50561 4 1 PL-PWSZWELBLAGU-AS, PL 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 197119 1 1 ASKRENA, KG 197277 3 1 SUKL_AS, CZ 197467 3 1 SSAU-AS, 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 209631 1 1 TOPIX4SCHOOLS, IT