[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, 18 Apr 2003 20:07:40 +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 18 Apr, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            124146
          Prefixes after maximum aggregation:                         78054
          Unique aggregates announced to Internet:                    58833
      Total ASes present in the Internet Routing Table:               15026
      Origin-only ASes present in the Internet Routing Table:         13037
      Origin ASes announcing only one prefix:                          5919
      Transit ASes present in the Internet Routing Table:              1989
      Transit-only ASes present in the Internet Routing Table:           72
      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:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           20
      Number of addresses announced to Internet:                 1224195200
          Equivalent to 72 /8s, 247 /16s and 188 /24s
          Percentage of available address space announced:             33.0
          Percentage of allocated address space announced:             59.0
          Percentage of available address space allocated:             55.9
      Total number of prefixes smaller than registry allocations:     53849
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  20795
          Total APNIC prefixes after maximum aggregation:             12228
      Prefixes being announced from the APNIC address blocks:         19236
          Unique aggregates announced from the APNIC address blocks:  11885
      APNIC Region origin ASes present in the Internet Routing Table:  1769
      APNIC Region origin ASes announcing only one prefix:              517
      APNIC Region transit ASes present in the Internet Routing Table:  292
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            110371808
          Equivalent to 6 /8s, 148 /16s and 35 /24s
          Percentage of available APNIC address space announced:       59.5
      
      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:                   76681
          Total ARIN prefixes after maximum aggregation:              47860
      Prefixes being announced from the ARIN address blocks:          54889
          Unique aggregates announced from the ARIN address blocks:   16322
      ARIN Region origin ASes present in the Internet Routing Table:   8328
      ARIN Region origin ASes announcing only one prefix:              2848
      ARIN Region transit ASes present in the Internet Routing Table:   788
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             190613760
          Equivalent to 11 /8s, 92 /16s and 137 /24s
          Percentage of available ARIN address space announced:        71.0
      
      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:                   21379
          Total RIPE prefixes after maximum aggregation:              15741
      Prefixes being announced from the RIPE address blocks:          17931
          Unique aggregates announced from the RIPE address blocks:   12023
      RIPE Region origin ASes present in the Internet Routing Table:   4523
      RIPE Region origin ASes announcing only one prefix:              2465
      RIPE Region transit ASes present in the Internet Routing Table:   810
      Average RIPE Region AS path length visible:                       5.3
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             129020288
          Equivalent to 7 /8s, 176 /16s and 177 /24s
          Percentage of available RIPE address space announced:        69.9
      
      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:                  5289
          Total LACNIC prefixes after maximum aggregation:             2225
      Prefixes being announced from the LACNIC address blocks:         4708
          Unique aggregates announced from the LACNIC address blocks:  2975
      LACNIC Region origin ASes present in the Internet Routing Table:  334
      LACNIC Region origin ASes announcing only one prefix:              89
      LACNIC Region transit ASes present in the Internet Routing Table:  68
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      24
      Number of LACNIC addresses announced to Internet:            12435200
          Equivalent to 0 /8s, 189 /16s and 191 /24s
          Percentage of available LACNIC address space announced:      37.1
      
      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     1101       1104         793   Telstra Pty Ltd
        703      396        381         310   UUNET
       2907      379       1974         358   SINET Japan
      17557      372         27         138   Pakistan Telecom
       2764      322        341         290   connect.com.au pty ltd
       4814      273         79          15   China Telecom (Group)
       7474      272        276         208   Optus Communications Pty Ltd
       3786      243        773         210   DACOM Corporation
      17676      243       3750          22   XTAGE CORPORATION
       4755      234        136          77   Videsh Sanchar Nigam Ltd. Aut
       4134      225       2006         114   Data Communications Bureau
       9583      220         33          14   Satyam Infoway Ltd.,
       4766      212       2078         157   Korea Internet Exchange for "
       9443      180         58          79   Primus Telecommunications
       9800      175        244          53   CHINA UNICOM
       9238      139          8          17   TATA ISP
       4739      130         57         119   Commerical Internet eXchange 
       4716      128        731         122   TTnet
       9498      126          9          10   BHARTI BT INTERNET LTD.
       9768      126        384          64   Korea Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1580       8906        1103   UUNET Technologies, Inc. 
       7018     1366       7175         947   AT&T 
       1239      969       3120         684   Sprint 
       7132      957       6444         209   Southwestern Bell Internet Se
       3908      937       1571         477   Supernet, Inc. 
       4151      769        690          61   USDA 
          1      754       2770         481   GENUITY 
        189      705        341         290   Genuity 
       7843      684        402         178   Adelphia Corp. 
       4323      573        514         166   Time Warner Communications, I
        852      549       1110         430   Telus Advanced Communications
      18566      540        128           6   Covad Communications 
        705      529        278         234   UUNET Technologies, Inc. 
       2386      511        483         268   AT&T Data Communications Serv
       3561      509       2341         333   Cable & Wireless USA 
        209      498       2137         301   Qwest 
        690      494         72         312   Merit Network 
       7066      485        204         255   Virginia Polytechnic Institut
       6197      480        339         195   BellSouth Network Solutions, 
       6198      457        226         175   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      773       2186         643   UUNET - Commercial IP service
       3215      312        851         175   France Telecom Transpac
       3301      305       1172         295   TeliaNet Sweden
       3320      264       2004         225   Deutsche Telekom AG
        680      231       2051         228   DFN-IP service G-WiN
       1257      216        327         190   SWIPnet Swedish IP Network
       5400      199         97         110   BT Ignite European Backbone
       8220      199        364         188   COLT Internet - International
        719      197        307         125   LANLINK autonomous system
       5515      196        779         168   Sonera Solution Autonomous Sy
        786      180       1874         180   The JANET IP Service
      20858      164         17           3   This AS will be used to conne
       8708      157         44         152   Romania Data Systems S.A.
       3303      142        517         141   Swisscom Ltd
      12302      126         18          33   MobiFon S.A.
       2856      120       1298         110   BTnet UK Regional network
       3269      112        755          63   TELECOM ITALIA
       3246      109        383         106   Song Networks
       3352      106        734          32   Ibernet, Internet Access Netw
       3233      105         11          12   RNC - Romanian Natioanal R&D 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      294         99         105   ImpSat
       7303      247         36          65   Telecom Argentina Stet-France
       8151      216        334         118   UniNet S.A. de C.V. 
      11172      162         66          33   Servicios Alestra S.A de C.V 
       6503      154        207         108   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340      106          3          34   Red Universitaria Nacional 
       6147       90         62          20   Telefonica Del Peru 
      11992       89          8          37   Integrated Systems 
       8065       76          6          15   Empresas Publicas de Medellin
       1916       75        306          45   Fundacao de Amparo a Pesquisa
       6535       74          5          19   Chilesat Servicios  Empresari
      13999       74         36           8   Mega Cable S.A. de C.V. 
      15311       72         28          36   Telefonica Empresas 
       4270       68         18          10   Red de Interconexion Universi
      11830       66          4          26   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
       7984       63         11          42   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7132       957         748      Southwestern Bell Internet Se
       4151       769         708      USDA 
      18566       540         534      Covad Communications 
       7843       684         506      Adelphia Corp. 
       3908       937         460      Supernet, Inc. 
       7018      1366         419      AT&T 
        189       705         415      Genuity 
       4323       573         407      Time Warner Communications, I
       1221      1101         308      Telstra Pty Ltd
        705       529         295      UUNET Technologies, Inc. 
       6347       365         286      SAVVIS Communications Corpora
       1239       969         285      Sprint 
       6197       480         285      BellSouth Network Solutions, 
       6198       457         282      BellSouth Network Solutions, 
      22927       296         282      TELEFONICA DE ARGENTINA 
       4355       384         275      EarthLink, Inc. 
          1       754         273      GENUITY 
       4814       273         258      China Telecom (Group)
      27364       270         252      Armstrong Cable Services 
       2386       511         243      AT&T Data Communications Serv
      
      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
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
      65501   PRIVATE       200.73.26.0/24       18747       IFX Communication Ve
      
      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
      192.83.16.0/20        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 
      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       /9:4       /10:8       /11:13      /12:50      
      /13:93      /14:251     /15:465     /16:7382    /17:1646    /18:2956    
      /19:8335    /20:8266    /21:5951    /22:8859    /23:10554   /24:68796   
      /25:164     /26:193     /27:52      /28:25      /29:13      /30:24      
      /31:0       /32:28      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      626           705      Genuity 
       3908      593           937      Supernet, Inc. 
      18566      534           540      Covad Communications 
        702      480           773      UUNET - Commercial IP service
       7018      478          1366      AT&T 
        690      443           494      Merit Network 
        701      439          1580      UUNET Technologies, Inc. 
       7843      429           684      Adelphia Corp. 
       7066      384           485      Virginia Polytechnic Institut
       1239      364           969      Sprint 
       6198      360           457      BellSouth Network Solutions, 
       6197      358           480      BellSouth Network Solutions, 
      11305      318           341      Interland Incorporated 
       2386      308           511      AT&T Data Communications Serv
      20115      295           426      Charter Communications 
          1      266           754      GENUITY 
       4814      263           273      China Telecom (Group)
      27364      263           270      Armstrong Cable Services 
       3215      235           312      France Telecom Transpac
      22927      235           296      TELEFONICA DE ARGENTINA 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:675      13:1        15:4        17:3        20:9        24:816    
        25:1        32:85       38:64       40:19       44:2        55:1      
        57:16       61:431      62:523      63:1886     64:1529     65:1928   
        66:2365     67:163      68:358      69:110      80:335      81:120    
       128:153     129:177     130:45      131:82      132:10      133:2      
       134:154     135:4       136:112     137:111     138:108     139:66     
       140:147     141:92      142:95      143:45      144:113     145:14     
       146:270     147:93      148:276     149:72      150:44      151:68     
       152:245     153:57      154:2       155:106     156:45      157:38     
       158:123     159:143     160:37      161:75      162:137     163:77     
       164:313     165:140     166:76      167:328     168:406     169:57     
       170:314     171:7       192:5346    193:2428    194:1995    195:990    
       196:458     198:3565    199:3457    200:2934    202:3703    203:5067   
       204:3070    205:2003    206:2403    207:2406    208:2651    209:2818   
       210:748     211:339     212:985     213:787     214:21      215:21     
       216:3299    217:624     218:86      219:12      220:57     
      
      End of report