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

   ASN  No of nets  /20 equiv  Description
     3          32        448  MIT-GATEWAYS, US
   297          18        179  AS297, US
   376         200        162  RISQ-AS, CA
 31822          12        161  CITY-UNIVERSITY-OF-NEW-YORK, US
   270          62         90  AS270, US
   611          46         84  NECN-1-611, CA
   239           9         81  UTORONTO-AS, CA
    68           9         80  LANL-INET-AS, US
   226           8         77  LOS-NETTOS-AS, US
   683          27         73  ARGONNE-AS, US
   557          13         71  UMAINE-SYS-AS, US
393249          44         71  UBC, CA
  1843          14         65  AS1843-7, US
   291           1         64  ESNET-EAST, US
   292           1         64  ESNET-WEST, US
  8111           6         64  DALUNIV, CA
 32982          26         56  DOE-HQ, US
395139          13         56  NYP-INTERNET, US
 15318          13         52  MCGILL-AS, CA
    14          11         51  COLUMBIA-GW, US
  1742          13         50  HARVARD-UNIV, US
    26           6         48  CORNELL, US
    46           9         48  RUTGERS, US
    91           3         48  RPI-AS, US
   159           3         48  OSUNET-AS, US
 40831           3         48  PHS, US
    45          11         43  LLL-TIS-AS, US
   111           8         40  BOSTONU-AS, US
  1968          24         40  UMASSNET-AS1968, US
 22742          70         37  CT-EDU-NET, US
    88           8         34  PRINCETON-AS, US
   293          26         34  ESNET, US
 21976          88         34  NJEDGE-NET, US
     9           7         33  CMU-ROUTER, US
    50          10         33  ORNL-MSRNET, US
   377           7         33  SNLA-NET-AS, US
    16           2         32  LBL, US
    29           5         32  YALE-AS, US
   156          13         32  NORTHEASTERN-GW-AS, US
  1701           2         32  AS1701, US
  2025           6         32  UTOLEDO, US
  3359           6         32  U-ALBERTA, CA
  3562           7         32  SNLL-NET-AS, US
  4190           2         32  BINGHAMTON-U, US
  5719           9         32  SUNYSB, US
  7925           4         32  WVNET, US
 14702           2         32  INL-ASN2, US
 16623           7         32  AHS, CA
 17001           4         32  UMANITOBA, CA
 10343           4         30  AS10343, US
 16462          17         29  UVIC-AS, CA
   271          63         26  BCNET-AS, CA
    12          10         24  NYU-DOMAIN, US
 14464          17         24  RINET, US
 20252           2         24  JSIWMC, US
 32234           3         24  UD-ACA-AS, US
  3685           8         23  BUFFALO-ASN, US
 11105          19         23  SFU-AS, CA
 12118           5         22  WVU, US
 13796           5         22  UCONN-ARIN, US
  1249           4         20  FIVE-COLLEGES-AS, US
 16796          42         19  MERLIN-NET, CA
   802           4         18  YORKU-AS, CA
 11745           2         18  USNH, US
 22968           2         18  MIAMI-UNIVERSITY, US
    63           6         17  LL-MI, US
  3112          38         17  OARNET-AS-1, US
  3428           5         17  ESNET-AS, US
  4476           9         17  BCIT, CA
  6579           6         17  MEMORIALU, CA
 11489           6         17  BACI, CA
 11700          13         17  CA-CW-E, CA
 22950          12         17  USASK, CA
 25689          16         17  SSC-299-25689, CA
 25691           2         17  CTSTATEU, US
 25826           6         17  UOTTAWA, CA
 25935          18         17  WNYRIC-NET, US
     2           1         16  UDEL-DCN, US
    20           3         16  UR, US
    34           2         16  UDELNET, US
    43           5         16  BNL-AS, US
    92           4         16  CLARKSON-AS, US
   205           1         16  MONTCLAIR-AS, US
   818           1         16  DOC-AS, CA
  1206           3         16  PSCNET-HS-AS, US
  1289           5         16  COLGATE-UNIVERSITY, US
  1351           1         16  UVM-EDU-AS, US
  2640           1         16  AMESLAB-AS, US
  2903           1         16  MORIC, US
  2936           1         16  NERSC, US
  3152           3         16  FNAL-AS, US
  3671           2         16  SLAC, US
  4246           1         16  NJIT-AS, US
  4385           2         16  RIT-ASN, US
  5050          10         16  PSC-EXT, US
  5724           4         16  UMASSMED, US
  6056           3         16  COLBY, US
  6074           1         16  LIUNET, US
  6124           2         16  MARIST, US
  6406           2         16  CEBAF, US
  7847           1         16  NASA-HPCC-ESS, US
  7860           1         16  UPEI-AS, CA
  7950           1         16  HC-AS, CA
 10561           2         16  BRANDEIS, US
 10755           1         16  DARTMOUTH-AS, US
 11050           1         16  KENT-STATE, US
 11078           7         16  BROWN, US
 11257           1         16  UNIVERSITY-LETHBRIDGE, CA
 11872           6         16  SYRACUSE-UNIVERSITY, US
 13326           1         16  TUFTS-UNIVERSITY, US
 13513           2         16  ALFRED-UNIVERSITY, US
 14348           3         16  URI-AS, US
 14433           1         16  SUNY-OSWEGO-ASN, US
 14512           2         16  BENTLEY-AS, US
 16475           1         16  BROCKU, CA
 16889           1         16  STEVENS-TECH, US
 17152           1         16  BATES, US
 17324           5         16  ALNET, US
 18564           4         16  SJU149068, US
 18621           1         16  CONESTOGA-COL, CA
 18711           1         16  RICHARD-STOCK, US
 19737           1         16  RMC, CA
 19925           3         16  SWCHSC, CA
 19933           1         16  BUFFALOSTATE, US
 20126           2         16  UC-DOM, US
 22093           3         16  CCF-NETWORK, US
 22174           1         16  NET-SUC-TECH-ALF, US
 22834           1         16  BOSTONCOLLEGE, US
 22847           5         16  BOWDOIN, US
 22990           3         16  ALBANYEDU, US
 23171           3         16  MANHATTAN-EDU, US
 23237           4         16  MCMASTER, CA
 25635           1         16  SAIT-AS, CA
 26206           2         16  ASN-UREGINA, CA
 26462           1         16  AS-GENESEO, US
 26818           8         16  COL-PUB-SCHOOLS-OH, US
 26996           4         16  RYERSON-UNIVERSITY, CA
 27219           1         16  SUNY-CORTLAND, US
 27405           1         16  PSC, US
 27616           1         16  AS-NEWSCHOOL, US
 29773           4         16  CARLETON-U, CA
 29917           1         16  KSC, US
 30256           1         16  ACADIAU, CA
 30703           2         16  SHSC-1-AS, US
 31886           3         16  UOGUELPH, CA
 31930           1         16  ETSMTL, CA
 31983           3         16  QUEENSU-KINGSTON, CA
 32125           1         16  WHEATON-COLLEGE, US
 32136           2         16  FARMINGDALESTATE, US
 32347           3         16  PRAN-ASN, CA
 32555           1         16  CRIM-AS-MTL, CA
 32559           1         16  AMHERST-COLLEGE, US
 32666          20         16  CWRU-AS-1, US
 33091           3         16  U-CALGARY, CA
 33153           3         16  SCAP-AS, US
 33434           1         16  HAMILTON-COLLEGE, US
 33523           1         16  ROWANUNIVERSITY, US
 33602           5         16  TELUQ, CA
 33703           2         16  HOFSTRA-UNIVERSITY, US
 36427           1         16  VASSAR-ASN1, US
 36534           5         16  AHS, CA
 36786           1         16  UNIVERSITE-LAVAL, CA
 40127           1         16  LMANET, US
 46158           1         16  OCMBOCES, US
 46470           1         16  SKIDMORE-I2-AS, US
 46626           4         16  SICKKIDS-AS-01, CA
 46905           1         16  UMASS-LOWELL, US
 53403           2         16  MOUNT-ROYAL-COLLEGE, CA
 54177           7         16  ASN-SJFC, US
 54257           1         16  VSC-AS-VERMONT-STATE-COLLEGES, US
 54606           2         16  UQAC-AS, CA
 54965           1         16  NYU-POLY, US
 54973           1         16  SACREDHEARTUNIVERSITY, US
 55282           1         16  SUNYCANTON-AS, US
 62810           1         16  SUNY-ONEONTA, US
 63319           2         16  FDU, US
393907           1         16  CAPEBRETONU, CA
393981           3         16  UNBC, CA
394003           1         16  UMASSD, US
395064           1         16  DOUGLASCOLLEGE, CA
395660           1         16  EDMONTON-, CA
396128           1         16  MHC-NET, US
398914           1         16  SUNYOW, US
399697           1         16  SUNY-BROCKPORT, US
401124           1         16  SUNY-DELHI-01, US
   823          22         15  UWO-AS, CA
  1204          15         15  SUNYNET-ASN-AS, US
  3481          16         15  STOFCT-DOIT, US
 11452           4         13  MOUNT-SINAI, US
   167           2         12  WESLEYAN-AS, US
 14661           5         12  LAURENTIANU, CA
393337           4         12  UOFHARTFORD, US
 40007           8         10  STFX-UNIVERSITY, CA
 27512           2          9  STATERI, US
  1207           3          8  PSCNET-HS-TEST-AS, US
  1255           4          8  SMITHCOLLEGE-AS, US
  3606           9          8  CONNCOLL-AS, US
 14550           1          8  MIDDLEBURY-COLLEGE, US
 22686           1          8  UNIVERSITYOFWINNIPEG-ASN, CA
 36391           4          8  TRIUMF, CA
    44           6          6  S1-DOMAIN, US
 14200           4          5  MARSHALLUNIV, US
 15296          63          5  CYBERA, CA
 27609          45          5  USC-UNIVERSITY-HOSPITAL, US
 10265           3          4  SENECA-ASN-01, CA
 14325           9          4  OSHEAN, US
 26071           1          4  LAKEHEAD, CA
 32156           4          4  HUMBER-COLLEGE, CA
 46722           3          4  BRYANT-UNIVERSITY, US
  5726           5          3  INTERWORLD, US
  8067           5          3  WSCNET-AS, US
 13315           3          3  HBSNET, US
 26677          27          3  ORION-ASN, CA
 32638           9          3  TRENT-UNIVERSITY, CA
 36794          26          3  META SOLUTIONS PIKETON, US
394655          17          3  UCHC-ASN, US
397375           2          3  PHSA-INTERNET, CA
  3756           7          2  NYSERNET3-AS, US
 10578           2          2  GIGAPOP-NE, US
 11032          16          2  UQ, CA
 12024           1          2  ASN-ACN, US
 12247          11          2  META-SOLUTIONS, US
 14426           3          2  MACEWAN, CA
 16411           4          2  NREL-AS-NATIONAL-RENEWABLE-ENERGY-LABORATORY, US
 16580          22          2  ATHABASCA-U, CA
 20238           2          2  NEONET-CONCORD, US
 26894           1          2  NOACSC-AS, US
 26898           4          2  CONNECT-ASN, US
 30045          18          2  UHN-ASN, CA
 31782          10          2  WLUAS, CA
 32360           4          2  MONROE-1-BOCES, US
 40119           2          2  NAIT, CA
 40149           2          2  UBNET1-AS, US
 63276           2          2  CHAMPLAINCOLLEGE, US
396485           2          2  SLU-4-ASN, US
399844          29          2  SASK-CNET, CA
   542           1          1  ARNET, CA
   806          15          1  SSC-299-806, CA
   819          11          1  LARG-NET, CA
  2682           7          1  CDAGOVN, CA
  3380           3          1  PPPL-AS1, US
  3719          15          1  CT-JIS, US
 10326           2          1  WPI, US
 11537           8          1  INTERNET2-RESEARCH-EDU, US
 11628           2          1  OICR-ONTARIO-INSTITUTE-FOR-CANCER-RESEARCHB, CA
 13552           1          1  CEGEPSAINTE-FOY, CA
 13764           1          1  KPU-CA-AS-1, CA
 13972           1          1  WADSWORTH-CENTER, US
 14734           5          1  NEONET-HEARTLAND, US
 16813           1          1  AMNH, US
 18572           1          1  BVIU27, US
 19350           9          1  CENTENNIALCOLLEGE, CA
 19616           3          1  ACCESS-OHIO, US
 20085           5          1  UAKRON, US
 22018           1          1  TAUNTON-MUNICIPAL, US
 22320           8          1  MVECA-AS, US
 22953           3          1  CALCULQUEBEC, CA
 25789           2          1  LMU, US
 26247          18          1  HCCA, US
 27500           1          1  ICANN-MEETINGS, US
 27628          14          1  INNOVATION-SASK, CA
 29709           5          1  NEONET-FALLS, US
 29867           3          1  FAIRFIELD-UNIVERSITY, US
 29941           1          1  TCCSA, US
 30290           1          1  WOCO, US
 30298           2          1  META SOLUTIONS ATHENS, US
 30712          17          1  META-SOLUTIONS-DAYTON, US
 31777           5          1  SPARCC-AS, US
 32157           6          1  DC-UOIT-NET, CA
 32820           3          1  NIPISSING, CA
 33167           5          1  SWOCA-TWASSIGNED, US
 33254           9          1  OMERESA, US
 40252           1          1  CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT, US
 40732           1          1  TOLEDO-PUBLIC-SCHOOLS, US
 46379           3          1  SIENA-COLLEGE, US
 46491          11          1  MEC-ASN, US
 46621           4          1  SCRIC, US
 46757           1          1  SHARCNET, CA
 47065           9          1  PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US
 54294           8          1  ECC-LINK-001, US
 55032          16          1  JAXNET-BH-01, US
 62692           1          1  CAMOSUN, CA
 62724           2          1  NWOCA-AS, US
394399           8          1  LACA-ASN, US
395534           2          1  SYRACUSE-CITY-SCHOOL-DISTRICT-10, US
395807           8          1  AS-SELKIR, CA
396086           3          1  HAMPSHIRE-CAMP, US
397543           1          1  RRU-VIC-01, CA
397766           4          1  FDU-CA, US
400066           2          1  FRIB-01, US
