[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: Fri, 16 May 2003 20:07:02 +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
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   20:00 +10GMT Fri 16 May, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            125988
          Prefixes after maximum aggregation:                         78582
          Unique aggregates announced to Internet:                    59226
      Total ASes present in the Internet Routing Table:               15178
      Origin-only ASes present in the Internet Routing Table:         13150
      Origin ASes announcing only one prefix:                          5977
      Transit ASes present in the Internet Routing Table:              2028
      Transit-only ASes present in the Internet Routing Table:           70
      Average AS path length visible in the Internet Routing Table:     4.8
          Max AS path length visible:                                   255
      Illegal AS announcements present in the Routing Table:              1
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           18
      Number of addresses announced to Internet:                 1230260800
          Equivalent to 73 /8s, 84 /16s and 74 /24s
          Percentage of available address space announced:             33.2
          Percentage of allocated address space announced:             59.3
          Percentage of available address space allocated:             55.9
      Total number of prefixes smaller than registry allocations:     54688
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  21353
          Total APNIC prefixes after maximum aggregation:             12405
      Prefixes being announced from the APNIC address blocks:         19801
          Unique aggregates announced from the APNIC address blocks:  12073
      APNIC Region origin ASes present in the Internet Routing Table:  1800
      APNIC Region origin ASes announcing only one prefix:              529
      APNIC Region transit ASes present in the Internet Routing Table:  302
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            113214752
          Equivalent to 6 /8s, 191 /16s and 133 /24s
          Percentage of available APNIC address space announced:       61.0
      
      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:                   77616
          Total ARIN prefixes after maximum aggregation:              48054
      Prefixes being announced from the ARIN address blocks:          55721
          Unique aggregates announced from the ARIN address blocks:   16546
      ARIN Region origin ASes present in the Internet Routing Table:   8392
      ARIN Region origin ASes announcing only one prefix:              2871
      ARIN Region transit ASes present in the Internet Routing Table:   808
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             191832576
          Equivalent to 11 /8s, 111 /16s and 34 /24s
          Percentage of available ARIN address space announced:        71.5
      
      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:                   21675
          Total RIPE prefixes after maximum aggregation:              15867
      Prefixes being announced from the RIPE address blocks:          18174
          Unique aggregates announced from the RIPE address blocks:   12008
      RIPE Region origin ASes present in the Internet Routing Table:   4583
      RIPE Region origin ASes announcing only one prefix:              2491
      RIPE Region transit ASes present in the Internet Routing Table:   815
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        19
      Number of RIPE addresses announced to Internet:             130577024
          Equivalent to 7 /8s, 200 /16s and 114 /24s
          Percentage of available RIPE address space announced:        70.8
      
      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
      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:                  5343
          Total LACNIC prefixes after maximum aggregation:             2256
      Prefixes being announced from the LACNIC address blocks:         4764
          Unique aggregates announced from the LACNIC address blocks:  2973
      LACNIC Region origin ASes present in the Internet Routing Table:  332
      LACNIC Region origin ASes announcing only one prefix:              86
      LACNIC Region transit ASes present in the Internet Routing Table:  69
      Average LACNIC Region AS path length visible:                     5.3
          Max LACNIC Region AS path length visible:                      24
      Number of LACNIC addresses announced to Internet:            12428800
          Equivalent to 0 /8s, 189 /16s and 166 /24s
          Percentage of available LACNIC address space announced:      37.0
      
      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     1082       1103         769   Telstra Pty Ltd
       4755      413        134          71   Videsh Sanchar Nigam Ltd. Aut
       2907      386       1976         363   SINET Japan
      17557      372         26         147   Pakistan Telecom
        703      366        377         294   UUNET
       2764      320        342         283   connect.com.au pty ltd
       4814      295         86          19   China Telecom (Group)
       7474      271        291         204   Optus Communications Pty Ltd
      17676      247       3814          19   XTAGE CORPORATION
       3786      242        773         209   DACOM Corporation
       4134      228       2042         116   Data Communications Bureau
       9583      223         34          17   Satyam Infoway Ltd.,
       4766      214       2475         160   Korea Internet Exchange for "
       9443      184         58          83   Primus Telecommunications
       9800      179        259          57   CHINA UNICOM
       4739      137         57         125   Commerical Internet eXchange 
       9498      135          9          13   BHARTI BT INTERNET LTD.
       9238      133          8          17   TATA ISP
       4716      128        729         122   TTnet
       9768      126        384          64   Korea Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1565       8935        1103   UUNET Technologies, Inc. 
       7018     1327       7166         921   AT&T 
       4151     1153        691          60   USDA 
       7132      966       6476         209   Southwestern Bell Internet Se
       1239      941       3010         661   Sprint 
       3908      923       1573         477   Supernet, Inc. 
        189      704        341         287   Genuity 
          1      681       2683         464   GENUITY 
       7843      665        347         175   Adelphia Corp. 
       4323      591        514         169   Time Warner Communications, I
       2386      586        491         279   AT&T Data Communications Serv
      18566      577        160           8   Covad Communications 
        705      539        291         237   UUNET Technologies, Inc. 
        852      538       1155         423   Telus Advanced Communications
       3561      508       2342         327   Cable & Wireless USA 
        209      492       2105         297   Qwest 
       6197      485        341         194   BellSouth Network Solutions, 
       7066      485        204         260   Virginia Polytechnic Institut
        690      476         68         315   Merit Network 
      20115      474        195         288   Charter Communications 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      755       2173         641   UUNET - Commercial IP service
       3320      346       2004         228   Deutsche Telekom AG
       3301      307       1157         297   TeliaNet Sweden
       3215      302        836         173   France Telecom Transpac
        680      232       2053         229   DFN-IP service G-WiN
       1257      227        327         189   SWIPnet Swedish IP Network
       8220      222        384         210   COLT Internet - International
        719      215        307         124   LANLINK autonomous system
       5400      203        112         114   BT Ignite European Backbone
       5515      182        795         153   Sonera Solution Autonomous Sy
        786      179       1874         179   The JANET IP Service
      20858      165         17           3   This AS will be used to conne
       8708      156         44         149   Romania Data Systems S.A.
       3303      141        517         140   Swisscom Ltd
      12302      128         18          35   MobiFon S.A.
       2856      122       1299         112   BTnet UK Regional network
       3269      116        819          63   TELECOM ITALIA
       3246      113        383         110   Song Networks
       3352      107        748          30   Ibernet, Internet Access Netw
       2647       99       4129          39   SITA
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      295         98         106   ImpSat
       7303      255         36          64   Telecom Argentina Stet-France
       8151      220        335         122   UniNet S.A. de C.V. 
      11172      167         66          39   Servicios Alestra S.A de C.V 
       6503      139        205          99   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340      106          3          34   Red Universitaria Nacional 
       6147       93         62          20   Telefonica Del Peru 
      11992       82          8          33   Integrated Systems 
       8065       78          8          16   Empresas Publicas de Medellin
       4270       75         18          10   Red de Interconexion Universi
       6535       74          5          23   Chilesat Servicios  Empresari
      13999       74         36           8   Mega Cable S.A. de C.V. 
       1916       73        306          43   Fundacao de Amparo a Pesquisa
      15311       71         12          35   Telefonica Empresas 
      11830       66          4          27   Instituto Costarricense de El
       7738       65        186          12   Telecomunicacoes da Bahia S.A
       7927       65          5          40   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151      1153        1093      USDA 
       7132       966         757      Southwestern Bell Internet Se
      18566       577         569      Covad Communications 
       7843       665         490      Adelphia Corp. 
       3908       923         446      Supernet, Inc. 
       4323       591         422      Time Warner Communications, I
        189       704         417      Genuity 
       7018      1327         406      AT&T 
       4755       413         342      Videsh Sanchar Nigam Ltd. Aut
       1221      1082         313      Telstra Pty Ltd
       2386       586         307      AT&T Data Communications Serv
        705       539         302      UUNET Technologies, Inc. 
       4355       397         292      EarthLink, Inc. 
       6197       485         291      BellSouth Network Solutions, 
       6347       368         289      SAVVIS Communications Corpora
       6198       462         286      BellSouth Network Solutions, 
       1239       941         280      Sprint 
       4814       295         276      China Telecom (Group)
      22927       288         275      TELEFONICA DE ARGENTINA 
      27364       294         274      Armstrong Cable Services 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       1877   UNALLOCATED   192.108.199.0/24      1880       Stupi, house man's p
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      192.16.52.0/24        1239     Sprint 
      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
      192.136.135.0/24      1239     Sprint 
      192.153.136.0/21       568     DISO-UNRRA 
      192.158.254.0/24       705     UUNET Technologies, Inc. 
      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        /8:18       /9:5       /10:8       /11:13      /12:51      
      /13:96      /14:252     /15:470     /16:7419    /17:1680    /18:2969    
      /19:8446    /20:8395    /21:6032    /22:9007    /23:10659   /24:69952   
      /25:160     /26:217     /27:52      /28:26      /29:12      /30:23      
      /31:0       /32:26      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      627           704      Genuity 
       3908      579           923      Supernet, Inc. 
      18566      571           577      Covad Communications 
        702      464           755      UUNET - Commercial IP service
       7018      464          1327      AT&T 
        701      435          1565      UUNET Technologies, Inc. 
       7843      428           665      Adelphia Corp. 
        690      427           476      Merit Network 
       7066      382           485      Virginia Polytechnic Institut
       2386      367           586      AT&T Data Communications Serv
       6197      361           485      BellSouth Network Solutions, 
       6198      361           462      BellSouth Network Solutions, 
       1239      352           941      Sprint 
      20115      335           474      Charter Communications 
       3320      289           346      Deutsche Telekom AG
      27364      287           294      Armstrong Cable Services 
       4814      281           295      China Telecom (Group)
          1      252           681      GENUITY 
       3215      226           302      France Telecom Transpac
      22927      226           288      TELEFONICA DE ARGENTINA 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:702      13:1        15:4        16:1        17:3        20:8      
        24:826      25:1        32:87       38:121      40:19       44:2      
        55:1        57:17       61:444      62:567      63:1869     64:1770   
        65:1930     66:2428     67:172      68:380      69:129      80:343    
        81:126     128:146     129:178     130:45      131:78      132:11     
       133:1       134:146     135:4       136:115     137:109     138:108    
       139:64      140:135     141:117     142:98      143:44      144:100    
       145:14      146:269     147:95      148:289     149:72      150:44     
       151:79      152:241     153:57      154:7       155:109     156:46     
       157:40      158:127     159:147     160:36      161:75      162:141    
       163:75      164:278     165:142     166:94      167:335     168:397    
       169:62      170:305     171:7       192:5306    193:2439    194:1977   
       195:1045    196:463     198:3575    199:3809    200:2971    202:3796   
       203:5236    204:3009    205:2066    206:2377    207:2394    208:2622   
       209:2846    210:774     211:333     212:923     213:807     214:20     
       215:23      216:3272    217:617     218:90      219:31      220:96     
       221:2      
      
      End of report