[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, 4 Apr 2003 20:06:05 +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 04 Apr, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            123590
          Prefixes after maximum aggregation:                         78340
          Unique aggregates announced to Internet:                    58939
      Total ASes present in the Internet Routing Table:               14931
      Origin-only ASes present in the Internet Routing Table:         12943
      Origin ASes announcing only one prefix:                          5863
      Transit ASes present in the Internet Routing Table:              1988
      Transit-only ASes present in the Internet Routing Table:           72
      Average AS path length visible in the Internet Routing Table:     4.7
          Max AS path length visible:                                   255
      Illegal AS announcements present in the Routing Table:              5
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           22
      Number of addresses announced to Internet:                 1222409184
          Equivalent to 72 /8s, 220 /16s and 123 /24s
          Percentage of available address space announced:             33.0
          Percentage of allocated address space announced:             59.9
          Percentage of available address space allocated:             55.0
      Total number of prefixes smaller than registry allocations:     58485
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  20488
          Total APNIC prefixes after maximum aggregation:             12277
      Prefixes being announced from the APNIC address blocks:         18943
          Unique aggregates announced from the APNIC address blocks:  11702
      APNIC Region origin ASes present in the Internet Routing Table:  1762
      APNIC Region origin ASes announcing only one prefix:              522
      APNIC Region transit ASes present in the Internet Routing Table:  285
      Average APNIC Region AS path length visible:                      4.8
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:            108879360
          Equivalent to 6 /8s, 125 /16s and 94 /24s
          Percentage of available APNIC address space announced:       64.5
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   76495
          Total ARIN prefixes after maximum aggregation:              48164
      Prefixes being announced from the ARIN address blocks:          54710
          Unique aggregates announced from the ARIN address blocks:   16696
      ARIN Region origin ASes present in the Internet Routing Table:   8289
      ARIN Region origin ASes announcing only one prefix:              2804
      ARIN Region transit ASes present in the Internet Routing Table:   795
      Average ARIN Region AS path length visible:                       4.5
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             190081984
          Equivalent to 11 /8s, 84 /16s and 107 /24s
          Percentage of available ARIN address space announced:        70.8
      
      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:                   21353
          Total RIPE prefixes after maximum aggregation:              15689
      Prefixes being announced from the RIPE address blocks:          17870
          Unique aggregates announced from the RIPE address blocks:   11931
      RIPE Region origin ASes present in the Internet Routing Table:   4480
      RIPE Region origin ASes announcing only one prefix:              2452
      RIPE Region transit ASes present in the Internet Routing Table:   811
      Average RIPE Region AS path length visible:                       5.3
          Max RIPE Region AS path length visible:                        17
      Number of RIPE addresses announced to Internet:             128463104
          Equivalent to 7 /8s, 168 /16s and 49 /24s
          Percentage of available RIPE address space announced:        76.6
      
      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
      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:                  5249
          Total LACNIC prefixes after maximum aggregation:             2210
      Prefixes being announced from the LACNIC address blocks:         4645
          Unique aggregates announced from the LACNIC address blocks:  2939
      LACNIC Region origin ASes present in the Internet Routing Table:  329
      LACNIC Region origin ASes announcing only one prefix:              85
      LACNIC Region transit ASes present in the Internet Routing Table:  67
      Average LACNIC Region AS path length visible:                     5.1
          Max LACNIC Region AS path length visible:                      15
      Number of LACNIC addresses announced to Internet:            12407040
          Equivalent to 0 /8s, 189 /16s and 81 /24s
          Percentage of available LACNIC address space announced:      74.0
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1101       1105         804   Telstra Pty Ltd
        703      397        367         313   UUNET
       2907      381       1976         360   SINET Japan
       2764      318        340         286   connect.com.au pty ltd
       7474      271        276         207   Optus Communications Pty Ltd
       4814      269         79          15   China Telecom (Group)
       3786      245        775         212   DACOM Corporation
       4134      240       2051         127   Data Communications Bureau
      17676      237       3654          25   XTAGE CORPORATION
       4755      230        135          75   Videsh Sanchar Nigam Ltd. Aut
      17557      228         17         119   Pakistan Telecom
       9583      219         33          14   Satyam Infoway Ltd.,
       4766      211       2078         158   Korea Internet Exchange for "
       9443      179         58          78   Primus Telecommunications
       9800      174        226          48   CHINA UNICOM
       9238      134          8          21   TATA ISP
       4716      128        731         122   TTnet
       4739      128         57         117   Commerical Internet eXchange 
       9498      127          9          10   BHARTI BT INTERNET LTD.
       9768      125        384          64   Korea Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1581       8873        1117   UUNET Technologies, Inc. 
       7018     1352       7153         936   AT&T 
       3908      979       1571         475   Supernet, Inc. 
       1239      968       3139         684   Sprint 
          1      773       2845         490   GENUITY 
       7132      727       6084         408   Southwestern Bell Internet Se
        189      706        341         291   Genuity 
       7843      624        400         166   Adelphia Corp. 
       4151      612        691          58   USDA 
       3561      587       2353         338   Cable & Wireless USA 
       4323      566        491         178   Time Warner Communications, I
        852      550       1107         433   Telus Advanced Communications
      18566      534        124           7   Covad Communications 
        209      529       2089         337   Qwest 
        690      502         73         318   Merit Network 
       2386      500        481         271   AT&T Data Communications Serv
       7066      485        204         255   Virginia Polytechnic Institut
       6197      475        338         196   BellSouth Network Solutions, 
        705      463        188         207   UUNET Technologies, Inc. 
       6198      458        226         178   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      782       2221         649   UUNET - Commercial IP service
       3215      316        851         175   France Telecom Transpac
       3301      311       1174         301   TeliaNet Sweden
       3320      267       1996         230   Deutsche Telekom AG
        680      232       2053         229   DFN-IP service G-WiN
       1257      216        328         190   SWIPnet Swedish IP Network
        719      195        307         125   LANLINK autonomous system
       5515      195        779         168   Sonera Solution Autonomous Sy
       5400      194         93         108   BT Ignite European Backbone
        786      180       1874         180   The JANET IP Service
      20858      155         17           3   This AS will be used to conne
       8708      154         42         150   Romania Data Systems S.A.
       3303      145        517         144   Swisscom Ltd
       8220      137        215         128   COLT Internet - International
      12302      124         18          31   MobiFon S.A.
       2856      119       1298         109   BTnet UK Regional network
       3269      112        754          62   TELECOM ITALIA
       3246      110        384         107   Song Networks
       3233      107         11          12   RNC - Romanian Natioanal R&D 
       3352      105        734          32   Ibernet, Internet Access Netw
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      295         99         106   ImpSat
       7303      241         36          65   Telecom Argentina Stet-France
       8151      213        333         115   UniNet S.A. de C.V. 
      11172      164         66          33   Servicios Alestra S.A de C.V 
       6503      156        207         109   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      11340      109          3          37   Red Universitaria Nacional 
      10620      107          7          31   TVCABLE BOGOTA 
      11992       90          9          36   Integrated Systems 
       6147       77         62          20   Telefonica Del Peru 
       6535       73          5          21   Chilesat Servicios  Empresari
       8065       73          6          18   Empresas Publicas de Medellin
      15311       71         27          36   Telefonica Empresas 
       1916       70        304          44   Fundacao de Amparo a Pesquisa
       4270       69         18          10   Red de Interconexion Universi
      13999       68         36           8   Mega Cable S.A. de C.V. 
      11830       65          4          26   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
       7984       61         11          40   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151       612         554      USDA 
      18566       534         527      Covad Communications 
       3908       979         504      Supernet, Inc. 
       7843       624         458      Adelphia Corp. 
       7018      1352         416      AT&T 
        189       706         415      Genuity 
       4323       566         388      Time Warner Communications, I
       7132       727         319      Southwestern Bell Internet Se
       1221      1101         297      Telstra Pty Ltd
       6347       370         288      SAVVIS Communications Corpora
       1239       968         284      Sprint 
          1       773         283      GENUITY 
      22927       295         281      TELEFONICA DE ARGENTINA 
       6198       458         280      BellSouth Network Solutions, 
       6197       475         279      BellSouth Network Solutions, 
       4355       379         277      EarthLink, Inc. 
        705       463         256      UUNET Technologies, Inc. 
       4814       269         254      China Telecom (Group)
       3561       587         249      Cable & Wireless USA 
      27364       266         248      Armstrong Cable Services 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64500   RESERVED      192.83.252.0/24        297       NASA Science Network
       1877   UNALLOCATED   192.108.199.0/24      1880       Stupi, house man's p
      65501   PRIVATE       200.73.26.0/24       18747       IFX Communication Ve
      65000   PRIVATE       202.172.216.0/24      9226       AS for Singapore Int
      65000   PRIVATE       202.172.217.0/24      9226       AS for Singapore Int
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      135.0.0.0/13         10455     Lucent Technologies 
      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
      192.75.199.0/24      25745     Alentus Corporation 
      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 
      192.158.249.0/24     27319     INTERNET SOFTWARE CONSORTIUM,
      192.158.251.0/24     27321     INTERNET SOFTWARE CONSORTIUM,
      192.172.0.0/19         568     DISO-UNRRA 
      192.243.36.0/23       2044     AUSNet, Inc. 
      
      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      /12:47      
      /13:92      /14:248     /15:460     /16:7375    /17:1644    /18:2953    
      /19:8262    /20:8192    /21:5911    /22:8840    /23:10653   /24:68292   
      /25:173     /26:192     /27:52      /28:34      /29:20      /30:60      
      /31:0       /32:46      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      627           706      Genuity 
       3908      615           979      Supernet, Inc. 
      18566      529           534      Covad Communications 
        702      485           782      UUNET - Commercial IP service
        701      469          1581      UUNET Technologies, Inc. 
       7018      468          1352      AT&T 
        690      451           502      Merit Network 
       7066      384           485      Virginia Polytechnic Institut
       7843      374           624      Adelphia Corp. 
       1239      373           968      Sprint 
       6198      362           458      BellSouth Network Solutions, 
       6197      354           475      BellSouth Network Solutions, 
      11305      317           340      Interland Incorporated 
       2386      299           500      AT&T Data Communications Serv
      20115      298           425      Charter Communications 
      22927      294           295      TELEFONICA DE ARGENTINA 
       6140      282           295      ImpSat
          1      277           773      GENUITY 
      27364      259           266      Armstrong Cable Services 
       7303      240           241      Telecom Argentina Stet-France
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:670      13:1        15:4        17:2        20:10     
        24:789      25:1        32:86       38:65       40:18       44:2      
        55:1        57:17       61:461      62:517      63:1888     64:1516   
        65:1907     66:2338     67:176      68:322      69:79       80:333    
        81:123     128:150     129:176     130:45      131:83      132:11     
       133:11      134:146     135:4       136:113     137:111     138:105    
       139:66      140:149     141:88      142:94      143:48      144:101    
       145:16      146:268     147:90      148:278     149:73      150:43     
       151:66      152:248     153:53      154:2       155:119     156:46     
       157:44      158:124     159:140     160:34      161:60      162:129    
       163:78      164:309     165:135     166:75      167:325     168:408    
       169:56      170:314     171:6       192:5354    193:2399    194:1986   
       195:991     196:478     198:3563    199:3293    200:2884    202:3541   
       203:4995    204:3064    205:2015    206:2390    207:2395    208:2668   
       209:2916    210:736     211:337     212:1015    213:773     214:20     
       215:21      216:3326    217:613     218:83      219:11      220:57     
      
      
      End of report