[apops] Weekly Routing Table Report

  • To: apops at apops dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Sat, 18 Oct 2003 04:07:47 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 18 Oct, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            129055
          Prefixes after maximum aggregation:                         80582
          Unique aggregates announced to Internet:                    62244
      Total ASes present in the Internet Routing Table:               15994
      Origin-only ASes present in the Internet Routing Table:         13882
      Origin ASes announcing only one prefix:                          6302
      Transit ASes present in the Internet Routing Table:              2112
      Transit-only ASes present in the Internet Routing Table:           71
      Average AS path length visible in the Internet Routing Table:     4.8
          Max AS path length visible:                                    22
      Illegal AS announcements present in the Routing Table:              4
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           14
      Number of addresses announced to Internet:                 1247209004
          Equivalent to 74 /8s, 86 /16s and 230 /24s
          Percentage of available address space announced:             33.6
          Percentage of allocated address space announced:             60.1
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     57042
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  23040
          Total APNIC prefixes after maximum aggregation:             12882
      Prefixes being announced from the APNIC address blocks:         21463
          Unique aggregates announced from the APNIC address blocks:  12463
      APNIC Region origin ASes present in the Internet Routing Table:  1912
      APNIC Region origin ASes announcing only one prefix:              548
      APNIC Region transit ASes present in the Internet Routing Table:  305
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:            123767552
          Equivalent to 7 /8s, 96 /16s and 139 /24s
          Percentage of available APNIC address space announced:       66.7
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   77347
          Total ARIN prefixes after maximum aggregation:              48696
      Prefixes being announced from the ARIN address blocks:          54928
          Unique aggregates announced from the ARIN address blocks:   17448
      ARIN Region origin ASes present in the Internet Routing Table:   8729
      ARIN Region origin ASes announcing only one prefix:              3003
      ARIN Region transit ASes present in the Internet Routing Table:   845
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             198399264
          Equivalent to 11 /8s, 211 /16s and 85 /24s
          Percentage of available ARIN address space announced:        73.9
      
      ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                             2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
                             3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
                             7723 - 8191, 10240 - 12287, 13312 - 15359
                             16384 - 17407, 18432 - 20479, 21504 - 23551
                             25600 - 26591, 26624 - 27647, 29695 - 30719
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
                             and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   23110
          Total RIPE prefixes after maximum aggregation:              16750
      Prefixes being announced from the RIPE address blocks:          19545
          Unique aggregates announced from the RIPE address blocks:   13041
      RIPE Region origin ASes present in the Internet Routing Table:   4932
      RIPE Region origin ASes announcing only one prefix:              2647
      RIPE Region transit ASes present in the Internet Routing Table:   863
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        22
      Number of RIPE addresses announced to Internet:             137734976
          Equivalent to 8 /8s, 53 /16s and 171 /24s
          Percentage of available RIPE address space announced:        74.6
      
      RIPE AS Blocks         1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
                             2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                             6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                             20480 - 21503, 24576 - 25599, 28672 - 29695
                             30720 - 31743
      RIPE Address Blocks    62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  5555
          Total LACNIC prefixes after maximum aggregation:             2254
      Prefixes being announced from the LACNIC address blocks:         5033
          Unique aggregates announced from the LACNIC address blocks:  3211
      LACNIC Region origin ASes present in the Internet Routing Table:  351
      LACNIC Region origin ASes announcing only one prefix:             104
      LACNIC Region transit ASes present in the Internet Routing Table:  70
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      12
      Number of LACNIC addresses announced to Internet:            13386240
          Equivalent to 0 /8s, 204 /16s and 66 /24s
          Percentage of available LACNIC address space announced:      39.9
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/7
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221      966       1110         683   Telstra Pty Ltd
       4755      394        134          71   Videsh Sanchar Nigam Ltd. Aut
       2907      366       1879         343   SINET Japan
       4134      356       2229         108   Data Communications Bureau
        703      332        356         266   UUNET
       2764      296        289         258   connect.com.au pty ltd
      17557      286         20         143   Pakistan Telecom
      17676      273       4028          34   XTAGE CORPORATION
       7474      266        306         212   Optus Communications Pty Ltd
       9583      252         44          11   Satyam Infoway Ltd.,
       4766      242       2462         177   Korea Internet Exchange for "
       3786      233        773         203   DACOM Corporation
       4538      215       1714          21   China Education and Research 
       9800      202        331          51   CHINA UNICOM
       9942      199         69         118   COMindico Australia
       9929      188        160          36   China Netcom Corp.
       9498      185         20          18   BHARTI BT INTERNET LTD.
       9443      182         62          81   Primus Telecommunications
       4621      161         13          58   UNINET-TH
      17642      153         40         115   RequestDSL BGP AS# for Sydney
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1454       8668        1009   UUNET Technologies, Inc. 
       7018     1365       7097         946   AT&T 
       3908      938       1561         512   Supernet, Inc. 
       1239      921       3020         660   Sprint 
      18566      710        176           8   Covad Communications 
       4323      682        577         197   Time Warner Communications, I
       6197      641        454         240   BellSouth Network Solutions, 
       3356      592      10813         495   Level 3 Communications, LLC 
       6198      573        336         196   BellSouth Network Solutions, 
       7843      530        473         138   Adelphia Corp. 
        209      520       2148         293   Qwest 
        852      517       1123         411   Telus Advanced Communications
       7066      510        207         271   Virginia Polytechnic Institut
      20115      484        214         298   Charter Communications 
        690      411         59         276   Merit Network 
        705      399        184         243   UUNET Technologies, Inc. 
       4355      395        331         106   EarthLink, Inc. 
       2386      381        508         199   AT&T Data Communications Serv
        376      360        359         115   Reseau Interordinateurs Scien
       6347      347        381          80   SAVVIS Communications Corpora
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      713       2100         593   UUNET - Commercial IP service
       3301      300       1169         285   TeliaNet Sweden
       3320      278       2005         238   Deutsche Telekom AG
       8220      257        421         246   COLT Internet - International
       1257      250        438         191   SWIPnet Swedish IP Network
        680      232       2054         229   DFN-IP service G-WiN
      13083      215         51           8   Mannesmann Datenverarbeitung 
        719      193        307         123   LANLINK autonomous system
       5400      187        173         135   BT Ignite European Backbone
       5515      185        778         147   Sonera Solution Autonomous Sy
        786      176       1857         176   The JANET IP Service
       3215      173        704          89   France Telecom Transpac
       8708      158        111         154   Romania Data Systems S.A.
       3303      149        556         142   Swisscom Ltd
      25186      131        162          91   France Telecom Transpac's Tra
      12302      127         18          34   MobiFon S.A.
       3246      126        374         124   Song Networks
       3269      121        885          66   TELECOM ITALIA
       2856      115       1293         106   BTnet UK Regional network
       2647      101       4225          49   SITA
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      337        103          98   ImpSat
       8151      236        367         124   UniNet S.A. de C.V. 
       7303      219         41          49   Telecom Argentina Stet-France
      11172      191         77          42   Servicios Alestra S.A de C.V 
      16814      156         10           5   NSS, S.A. 
       6505      139         91          97   Global One Communicaoes Ltda 
       6503      129        205          93   AVANTEL, S.A. 
      10620      123          8          26   TVCABLE BOGOTA 
       6147      106         70          19   Telefonica Del Peru 
      11340      103          3          29   Red Universitaria Nacional 
      11992       88         25          30   Integrated Systems 
       8065       84         10          18   Empresas Publicas de Medellin
      15311       76         16          39   Telefonica Empresas 
       6535       75          5          18   Chilesat Servicios  Empresari
      11830       75         22          24   Instituto Costarricense de El
       4270       68         18           9   Red de Interconexion Universi
      11311       66          7          23   Sinectis S.A. 
       7080       64          4           1   Electronica y Comunicaciones 
       1916       60        266          40   Fundacao de Amparo a Pesquisa
       4926       57          4          48   Telintar S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      18566       710         702      Covad Communications 
       4323       682         485      Time Warner Communications, I
       3908       938         426      Supernet, Inc. 
       7018      1365         419      AT&T 
       6197       641         401      BellSouth Network Solutions, 
       7843       530         392      Adelphia Corp. 
       6198       573         377      BellSouth Network Solutions, 
       4755       394         323      Videsh Sanchar Nigam Ltd. Aut
      27364       315         292      Armstrong Cable Services 
       5668       307         292      Century Telephone 
      22909       302         290      Comcast Cable Corporation 
       4355       395         289      EarthLink, Inc. 
       1221       966         283      Telstra Pty Ltd
      22773       293         279      Cox Communications, Inc. Atla
       6347       347         267      SAVVIS Communications Corpora
       1239       921         261      Sprint 
       4134       356         248      Data Communications Bureau
        376       360         245      Reseau Interordinateurs Scien
       9583       252         241      Satyam Infoway Ltd.,
      25844       243         241      Skadden, Arps, Slate, Meagher
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
      65400   PRIVATE       149.165.240.0/21     11537       University Corporati
       1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
      65100   PRIVATE       210.104.28.0/25       9768       Korea Telecom
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           568     DISO-UNRRA 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      192.43.230.0/24       4738     South Australian Academic Res
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.83.16.0/20        5515     Sonera Solution Autonomous Sy
      192.83.32.0/19        5515     Sonera Solution Autonomous Sy
      192.83.96.0/22        5515     Sonera Solution Autonomous Sy
      192.83.100.0/24       5515     Sonera Solution Autonomous Sy
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.136.79.0/24        719     LANLINK autonomous system
      192.153.136.0/21       568     DISO-UNRRA 
      192.172.0.0/19         568     DISO-UNRRA 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:4       /10:6       /11:12      /12:55      
      /13:98      /14:268     /15:471     /16:7433    /17:1783    /18:3207    
      /19:8515    /20:8950    /21:6573    /22:9417    /23:10836   /24:70687   
      /25:161     /26:204     /27:168     /28:44      /29:28      /30:65      
      /31:0       /32:51      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      704           710      Covad Communications 
       3908      594           938      Supernet, Inc. 
       6197      499           641      BellSouth Network Solutions, 
       7018      483          1365      AT&T 
        701      444          1454      UUNET Technologies, Inc. 
       6198      444           573      BellSouth Network Solutions, 
        702      431           713      UUNET - Commercial IP service
       7066      402           510      Virginia Polytechnic Institut
        690      371           411      Merit Network 
       1239      325           921      Sprint 
      20115      320           484      Charter Communications 
      27364      309           315      Armstrong Cable Services 
       3356      284           592      Level 3 Communications, LLC 
       5668      273           307      Century Telephone 
      25844      243           243      Skadden, Arps, Slate, Meagher
       3320      220           278      Deutsche Telekom AG
       4355      219           395      EarthLink, Inc. 
       7843      210           530      Adelphia Corp. 
        209      206           520      Qwest 
      14824      201           226      NewSouth Communications Corp.
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:717      13:1        15:6        16:1        17:2      
        20:7        24:819      25:1        32:83       38:52       40:23     
        43:1        44:2        55:1        57:14       61:331      62:444    
        63:1882     64:1807     65:1980     66:2173     67:263      68:399    
        69:273      80:420      81:158      82:34      128:151     129:155    
       130:63      131:83      132:19      134:166     135:10      136:181    
       137:120     138:133     139:49      140:164     141:138     142:101    
       143:49      144:88      145:33      146:279     147:67      148:302    
       149:78      150:121     151:60      152:212     153:59      154:7      
       155:129     156:58      157:52      158:140     159:143     160:46     
       161:70      162:363     163:68      164:319     165:147     166:100    
       167:305     168:178     169:98      170:311     171:9       192:5442   
       193:2443    194:1997    195:1277    196:483     198:3569    199:2833   
       200:3062    201:1       202:4108    203:5340    204:3002    205:2058   
       206:2288    207:2557    208:2526    209:2782    210:932     211:387    
       212:939     213:958     214:15      215:22      216:3295    217:769    
       218:113     219:41      220:114     221:13      222:1      
      
      End of report