[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, 27 Sep 2003 04:07:43 +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 27 Sep, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            127855
          Prefixes after maximum aggregation:                         79965
          Unique aggregates announced to Internet:                    61682
      Total ASes present in the Internet Routing Table:               15876
      Origin-only ASes present in the Internet Routing Table:         13780
      Origin ASes announcing only one prefix:                          6245
      Transit ASes present in the Internet Routing Table:              2096
      Transit-only ASes present in the Internet Routing Table:           69
      Average AS path length visible in the Internet Routing Table:     4.9
          Max AS path length visible:                                    26
      Illegal AS announcements present in the Routing Table:              6
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           14
      Number of addresses announced to Internet:                 1227349284
          Equivalent to 73 /8s, 39 /16s and 221 /24s
          Percentage of available address space announced:             33.1
          Percentage of allocated address space announced:             59.2
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     56396
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  22707
          Total APNIC prefixes after maximum aggregation:             12775
      Prefixes being announced from the APNIC address blocks:         21124
          Unique aggregates announced from the APNIC address blocks:  12364
      APNIC Region origin ASes present in the Internet Routing Table:  1897
      APNIC Region origin ASes announcing only one prefix:              544
      APNIC Region transit ASes present in the Internet Routing Table:  306
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:            122592768
          Equivalent to 7 /8s, 78 /16s and 158 /24s
          Percentage of available APNIC address space announced:       66.1
      
      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:                   77126
          Total ARIN prefixes after maximum aggregation:              48337
      Prefixes being announced from the ARIN address blocks:          54900
          Unique aggregates announced from the ARIN address blocks:   17269
      ARIN Region origin ASes present in the Internet Routing Table:   8703
      ARIN Region origin ASes announcing only one prefix:              2995
      ARIN Region transit ASes present in the Internet Routing Table:   836
      Average ARIN Region AS path length visible:                       4.7
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             197256224
          Equivalent to 11 /8s, 193 /16s and 228 /24s
          Percentage of available ARIN address space announced:        73.5
      
      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:                   22594
          Total RIPE prefixes after maximum aggregation:              16569
      Prefixes being announced from the RIPE address blocks:          19105
          Unique aggregates announced from the RIPE address blocks:   12919
      RIPE Region origin ASes present in the Internet Routing Table:   4859
      RIPE Region origin ASes announcing only one prefix:              2605
      RIPE Region transit ASes present in the Internet Routing Table:   850
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        26
      Number of RIPE addresses announced to Internet:             136574784
          Equivalent to 8 /8s, 35 /16s and 247 /24s
          Percentage of available RIPE address space announced:        74.0
      
      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:                  5423
          Total LACNIC prefixes after maximum aggregation:             2284
      Prefixes being announced from the LACNIC address blocks:         4890
          Unique aggregates announced from the LACNIC address blocks:  3181
      LACNIC Region origin ASes present in the Internet Routing Table:  348
      LACNIC Region origin ASes announcing only one prefix:             101
      LACNIC Region transit ASes present in the Internet Routing Table:  73
      Average LACNIC Region AS path length visible:                     5.3
          Max LACNIC Region AS path length visible:                      16
      Number of LACNIC addresses announced to Internet:            13298944
          Equivalent to 0 /8s, 202 /16s and 237 /24s
          Percentage of available LACNIC address space announced:      39.6
      
      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      974       1110         690   Telstra Pty Ltd
       4755      408        135          76   Videsh Sanchar Nigam Ltd. Aut
       4134      388       2230         109   Data Communications Bureau
       2907      374       1879         348   SINET Japan
        703      333        372         265   UUNET
       2764      297        322         260   connect.com.au pty ltd
      17557      289         21         138   Pakistan Telecom
       7474      269        306         209   Optus Communications Pty Ltd
      17676      265       3980          26   XTAGE CORPORATION
       9583      261         38          27   Satyam Infoway Ltd.,
       4766      238       2461         173   Korea Internet Exchange for "
       3786      235        773         203   DACOM Corporation
       9800      203        332          52   CHINA UNICOM
       9942      188         69         110   COMindico Australia
       9929      187        160          36   China Netcom Corp.
       9443      183         58          83   Primus Telecommunications
       9498      183         20          16   BHARTI BT INTERNET LTD.
       4538      177       1634          23   China Education and Research 
      17642      157         40         118   RequestDSL BGP AS# for Sydney
       4837      140       1058          88   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1462       8719        1018   UUNET Technologies, Inc. 
       7018     1401       7156         977   AT&T 
       6197      966        443         245   BellSouth Network Solutions, 
       3908      916       1573         492   Supernet, Inc. 
       1239      905       3031         651   Sprint 
      18566      692        176           8   Covad Communications 
       4323      670        575         194   Time Warner Communications, I
       3356      564      10744         473   Level 3 Communications, LLC 
       7843      529        466         134   Adelphia Corp. 
        852      517       1123         410   Telus Advanced Communications
        209      501       2127         289   Qwest 
       6198      498        330         193   BellSouth Network Solutions, 
       7066      489        205         263   Virginia Polytechnic Institut
      20115      475        205         296   Charter Communications 
        690      411         59         276   Merit Network 
        705      409        185         250   UUNET Technologies, Inc. 
       4355      396        334         109   EarthLink, Inc. 
       2386      375        507         194   AT&T Data Communications Serv
        376      361        359         115   Reseau Interordinateurs Scien
       6347      356        397          81   SAVVIS Communications Corpora
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      710       2121         589   UUNET - Commercial IP service
       3301      296       1169         283   TeliaNet Sweden
       3320      272       1989         232   Deutsche Telekom AG
       8220      256        434         245   COLT Internet - International
        680      232       2054         229   DFN-IP service G-WiN
       1257      228        358         183   SWIPnet Swedish IP Network
        719      193        307         123   LANLINK autonomous system
       3215      188        737         106   France Telecom Transpac
       5515      186        779         148   Sonera Solution Autonomous Sy
       5400      183        173         133   BT Ignite European Backbone
        786      179       1874         179   The JANET IP Service
       8708      156        110         153   Romania Data Systems S.A.
       3303      148        540         141   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       3246      126        376         124   Song Networks
       3269      119        853          65   TELECOM ITALIA
       2856      113       1293         104   BTnet UK Regional network
      25186      103        128          71   France Telecom Transpac's Tra
       3352       98        824          34   Ibernet, Internet Access Netw
       2647       95       4225          48   SITA
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      340        104         101   ImpSat
       8151      234        367         122   UniNet S.A. de C.V. 
       7303      212         39          62   Telecom Argentina Stet-France
      11172      187         79          44   Servicios Alestra S.A de C.V 
      16814      151         10          17   NSS, S.A. 
      10620      130          8          26   TVCABLE BOGOTA 
       6503      129        189          93   AVANTEL, S.A. 
      11340      103          3          36   Red Universitaria Nacional 
      11992       91         25          37   Integrated Systems 
       6147       84         70          19   Telefonica Del Peru 
       8065       82          8          17   Empresas Publicas de Medellin
       6535       75          5          18   Chilesat Servicios  Empresari
      15311       75         14          38   Telefonica Empresas 
      11830       73         21          28   Instituto Costarricense de El
       4270       67         17           8   Red de Interconexion Universi
       7927       67          6          40   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
       1916       61        270          41   Fundacao de Amparo a Pesquisa
       7984       59         12          40   Global One Colombia 
       4926       57          4          48   Telintar S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6197       966         721      BellSouth Network Solutions, 
      18566       692         684      Covad Communications 
       4323       670         476      Time Warner Communications, I
       7018      1401         424      AT&T 
       3908       916         424      Supernet, Inc. 
       7843       529         395      Adelphia Corp. 
       4755       408         332      Videsh Sanchar Nigam Ltd. Aut
       6198       498         305      BellSouth Network Solutions, 
      27364       314         291      Armstrong Cable Services 
       4355       396         287      EarthLink, Inc. 
       5668       302         287      Century Telephone 
       1221       974         284      Telstra Pty Ltd
       4134       388         279      Data Communications Bureau
      22909       297         279      Comcast Cable Corporation 
       6347       356         275      SAVVIS Communications Corpora
       1239       905         254      Sprint 
      22773       285         250      Cox Communications, Inc. Atla
        376       361         246      Reseau Interordinateurs Scien
      25844       243         241      Skadden, Arps, Slate, Meagher
       6140       340         239      ImpSat
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
      65093   PRIVATE       148.170.28.0/22       7991       Savvis Communication
      65093   PRIVATE       148.170.32.0/22       7991       Savvis Communication
      65093   PRIVATE       148.170.92.0/22       7991       Savvis Communication
       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        /8:18       /9:4       /10:6       /11:12      /12:55      
      /13:97      /14:265     /15:470     /16:7448    /17:1761    /18:3140    
      /19:8539    /20:8842    /21:6480    /22:9294    /23:10653   /24:70142   
      /25:150     /26:203     /27:167     /28:25      /29:9       /30:53      
      /31:0       /32:22      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6197      827           966      BellSouth Network Solutions, 
      18566      686           692      Covad Communications 
       3908      577           916      Supernet, Inc. 
       7018      504          1401      AT&T 
        701      437          1462      UUNET Technologies, Inc. 
        702      426           710      UUNET - Commercial IP service
       6198      384           498      BellSouth Network Solutions, 
       7066      384           489      Virginia Polytechnic Institut
        690      371           411      Merit Network 
      20115      318           475      Charter Communications 
       1239      315           905      Sprint 
      27364      308           314      Armstrong Cable Services 
       3356      277           564      Level 3 Communications, LLC 
       5668      269           302      Century Telephone 
      25844      243           243      Skadden, Arps, Slate, Meagher
       4355      214           396      EarthLink, Inc. 
       7843      213           529      Adelphia Corp. 
       3320      211           272      Deutsche Telekom AG
        209      199           501      Qwest 
      14824      199           226      NewSouth Communications Corp.
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:707      13:1        15:4        16:1        17:3      
        20:6        24:826      25:1        32:84       38:47       40:23     
        43:1        44:2        55:1        57:14       61:325      62:416    
        63:1878     64:1789     65:2054     66:2201     67:332      68:421    
        69:265      80:422      81:133      82:17      128:143     129:167    
       130:61      131:84      132:18      133:1       134:169     135:9      
       136:186     137:116     138:129     139:49      140:163     141:138    
       142:101     143:44      144:88      145:14      146:276     147:61     
       148:299     149:78      150:121     151:66      152:212     153:58     
       154:7       155:128     156:58      157:54      158:134     159:140    
       160:45      161:69      162:362     163:75      164:314     165:147    
       166:102     167:305     168:176     169:97      170:325     171:9      
       192:5335    193:2451    194:1976    195:1158    196:470     198:3599   
       199:2842    200:3007    202:3982    203:5305    204:2993    205:2039   
       206:2329    207:2499    208:2565    209:2720    210:923     211:374    
       212:966     213:932     214:16      215:22      216:3267    217:728    
       218:107     219:35      220:116     221:11      222:1      
      
      End of report