Address span per AS (RIPE Region)
---------------------------------

   ASN  No of nets  /20 equiv  Description
   680         284       1919  DFN Verein zur Foerderung eines Deutschen Forsc
   786         186       1767  JANET Jisc Services Limited, GB
  1103          94       1502  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677  ASGARR Consortium GARR, IT
  2200          64        599  FR-RENATER Reseau National de telecommunication
   559         112        533  SWITCH Peering requests: peering@switch.ch, CH
  1101          13        481  IP-EEND-AS IP-EEND BV, NL
   553          74        465  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          15        256  UNINETT UNINETT, The Norwegian University & Res
  2611          31        211  BELNET, BE
  2852          22        207  CESNET2, CZ
  1653          52        151  SUNET SUNET Swedish University Network, EU
  1741          39        149  FUNETAS, FI
  8987          33        131  AMAZON EXPANSION, IE
  2607          31        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
   513          20         87  CERN, CH
  1853          17         82  ACONET ACOnet Backbone, AT
   777          11         81  CEA-Saclay, EU
  1930          65         81  RCCN Fundacao para a Ciencia e a Tecnologia, I.
 13041           7         72  CESCA-AC, ES
 47610          12         65  RWTH-AS, DE
  3267          53         63  RUNNET, RU
  5408          41         60  GR-NET www.grnet.gr, GR
  2108           7         56  CARNET-AS J.Marohnica 5, 10000 Zagreb, HR
  8517           9         56  ULAKNET, TR
 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
  2269           4         48  FR-U-PARISSUD-ORSAY FR, EU
  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
  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          94         27  ROEDUNET, RO
   760           7         24  UNIVIE University of Vienna, Austria, AT
  8895         176         24  ISU Internet Services Unit ISU, SA
  9095           2         24  Istanbul Teknik Universitesi, TR
 60187          35         22  LGFL-AS, GB
  1887           2         20  NASK-ACADEMIC, PL
  2602           7         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
     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
  2843           8         17  LIUNET, SE
  2895           6         17  FREE-NET-AS FREEnet, RU
  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          31         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
  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
 60344           4         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
210482           1         16  AS_MDCBLN, DE
210543           2         16  KAGES, AT
  2834           4         14  UUNET, SE
  3233          30         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, EU
  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
 30898           3          8  CRSR-AS, SK
 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
  5495          24          7  ASN-SPBGU St.Petersburg, Russia, RU
 42081           6          7  ECMWF-IT, GB
  3058           6          6  RAS-AS Joint SuperComputer Center of the Russia
  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
  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           4          4  Kungliga Tekniska Hogskolan, SE
  3218          21          4  COSMOS-3218-AS AS-COSMOS root, RU
  5468           2          4  URFU, 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          55          4  SEAP-AGE, ES
  2840           2          3  GSIX, SE
  5386           6          3  COSMOS-SN-AS SpaceNet, RU
  5387          10          3  NSC, RU
  8253           3          3  DUTHNET-AS, GR
  8456          20          3  ASBOUN, TR
  8581           9          3  UOI, GR
  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
  5567           3          2  AS5567, RU
  6699           1          2  URAN-AS, RU
  6868           1          2  BMSTU-AS, RU
  6874           2          2  PSTU-AS, RU
  8519           1          2  ESA-MOSNET ESA OPSNET-INTRANET, DE
  8605           3          2  LANET, LV
  8617           4          2  University of the Aegean, GR
  8664           6          2  ICM-PUB public network services, PL
  8670           1          2  UTIC_AUTONOMUS_SYSTEM, BA
  8674          17          2  NETNOD-IX Netnod AB, SE
  8684           2          2  PSU-AS, RU
  9088           1          2  Dalarna University, SE
 12384           2          2  SLU-UPPSALA, SE
 12675           7          2  UAIC-NETWORK, RO
 12925           3          2  SINP-MSU, RU
 15630           1          2  UNED UNED Autonomous System, ES
 16251           2          2  Hogskolan i Gavle, SE
 16326           2          2  SMALS-MVM, BE
 20545           9          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           3          2  ITMO-AS ITMO, RU
 44369           3          2  EMBC-EMPSN-AS EMBC-EMPSN Network Services, GB
 50517           6          2  KSU, SA
 50837          13          2  CLOUDSIGMA-AS, CH
 51066           6          2  AUSTROCONTROL-AS, AT
200943          17          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
  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
  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
  9113           1          1  VLANT-AS, RU
  9162           1          1  TSTU, RU
  9199           7          1  RENAM, MD
  9206           6          1  MAI Moscow Aviation Institute MAI, RU
 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           5          1  CZESTMAN-AS Academic AS dedicated to Metropolit
 15665           2          1  WOLA-AS Campus Wola autonomous system, PL
 15770           1          1  DERWENTSIDE, GB
 15913           5          1  IACP-AS, RU
 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           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           5          1  BGFL, GB
 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  ITRELATION-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
 44868           1          1  URFU Yekaterinburg, Russia, RU
 47862          12          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
 51182           5          1  UAEU, AE
 51352           3          1  VLSU-AS, RU
 51708           1          1  UNIBZ-AS, IT
 51989           1          1  GRADRI-AS, HR
 56357           2          1  TUM-I8-AS Chair for Network Architectures and S
 58069           5          1  KIT-GRIDKA, DE
 61137           4          1  ANKABUTSERVICES, AE
197277           3          1  SUKL_AS, CZ
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  TOPIX4SCHOOLS AS-SET for TOPIX4Schools is AS209
213080           4          1  GESPAG, AT
