[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, 4 Oct 2003 04:07:25 +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 04 Oct, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            128816
          Prefixes after maximum aggregation:                         80246
          Unique aggregates announced to Internet:                    62008
      Total ASes present in the Internet Routing Table:               15914
      Origin-only ASes present in the Internet Routing Table:         13804
      Origin ASes announcing only one prefix:                          6268
      Transit ASes present in the Internet Routing Table:              2110
      Transit-only ASes present in the Internet Routing Table:           68
      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:                 1245394468
          Equivalent to 74 /8s, 59 /16s and 54 /24s
          Percentage of available address space announced:             33.6
          Percentage of allocated address space announced:             60.0
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     57363
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  22719
          Total APNIC prefixes after maximum aggregation:             12835
      Prefixes being announced from the APNIC address blocks:         21125
          Unique aggregates announced from the APNIC address blocks:  12496
      APNIC Region origin ASes present in the Internet Routing Table:  1901
      APNIC Region origin ASes announcing only one prefix:              545
      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:            123245568
          Equivalent to 7 /8s, 88 /16s and 148 /24s
          Percentage of available APNIC address space announced:       66.4
      
      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:                   77962
          Total ARIN prefixes after maximum aggregation:              48518
      Prefixes being announced from the ARIN address blocks:          55690
          Unique aggregates announced from the ARIN address blocks:   17352
      ARIN Region origin ASes present in the Internet Routing Table:   8711
      ARIN Region origin ASes announcing only one prefix:              2999
      ARIN Region transit ASes present in the Internet Routing Table:   846
      Average ARIN Region AS path length visible:                       4.7
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             197794336
          Equivalent to 11 /8s, 202 /16s and 26 /24s
          Percentage of available ARIN address space announced:        73.7
      
      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:                   22692
          Total RIPE prefixes after maximum aggregation:              16624
      Prefixes being announced from the RIPE address blocks:          19201
          Unique aggregates announced from the RIPE address blocks:   12952
      RIPE Region origin ASes present in the Internet Routing Table:   4888
      RIPE Region origin ASes announcing only one prefix:              2625
      RIPE Region transit ASes present in the Internet Routing Table:   858
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        26
      Number of RIPE addresses announced to Internet:             136945216
          Equivalent to 8 /8s, 41 /16s and 158 /24s
          Percentage of available RIPE address space announced:        74.2
      
      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:                  5438
          Total LACNIC prefixes after maximum aggregation:             2269
      Prefixes being announced from the LACNIC address blocks:         4938
          Unique aggregates announced from the LACNIC address blocks:  3242
      LACNIC Region origin ASes present in the Internet Routing Table:  347
      LACNIC Region origin ASes announcing only one prefix:              99
      LACNIC Region transit ASes present in the Internet Routing Table:  74
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      12
      Number of LACNIC addresses announced to Internet:            13330944
          Equivalent to 0 /8s, 203 /16s and 106 /24s
          Percentage of available LACNIC address space announced:      39.7
      
      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      969       1109         686   Telstra Pty Ltd
       4755      385        133          74   Videsh Sanchar Nigam Ltd. Aut
       2907      367       1863         344   SINET Japan
       4134      364       2223         105   Data Communications Bureau
        703      336        372         267   UUNET
       2764      296        290         259   connect.com.au pty ltd
      17557      289         21         141   Pakistan Telecom
       9583      276         38          26   Satyam Infoway Ltd.,
      17676      271       3996          32   XTAGE CORPORATION
       7474      260        305         206   Optus Communications Pty Ltd
       4766      238       2461         173   Korea Internet Exchange for "
       3786      235        773         203   DACOM Corporation
       4538      209       1714          21   China Education and Research 
       9800      203        332          52   CHINA UNICOM
       9942      191         69         112   COMindico Australia
       9929      190        160          36   China Netcom Corp.
       9498      184         20          17   BHARTI BT INTERNET LTD.
       9443      183         58          83   Primus Telecommunications
      17642      156         40         117   RequestDSL BGP AS# for Sydney
       4739      141         58         130   Commerical Internet eXchange 
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1461       8702        1015   UUNET Technologies, Inc. 
       7018     1403       7143         976   AT&T 
       6198     1218        330         195   BellSouth Network Solutions, 
       6197      988        469         232   BellSouth Network Solutions, 
       3908      930       1575         501   Supernet, Inc. 
       1239      910       3013         652   Sprint 
      18566      701        176           8   Covad Communications 
       4323      675        575         196   Time Warner Communications, I
       3356      588      10796         491   Level 3 Communications, LLC 
       7843      530        472         136   Adelphia Corp. 
        852      518       1123         411   Telus Advanced Communications
        209      503       2127         290   Qwest 
       7066      499        205         263   Virginia Polytechnic Institut
      20115      465        202         283   Charter Communications 
        690      411         59         276   Merit Network 
        705      403        184         246   UUNET Technologies, Inc. 
       4355      394        334         109   EarthLink, Inc. 
       2386      378        507         195   AT&T Data Communications Serv
        376      360        359         115   Reseau Interordinateurs Scien
       6347      349        381          80   SAVVIS Communications Corpora
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      708       2104         587   UUNET - Commercial IP service
       3301      294       1169         283   TeliaNet Sweden
       3320      280       2005         240   Deutsche Telekom AG
       8220      257        435         246   COLT Internet - International
       1257      235        358         183   SWIPnet Swedish IP Network
        680      232       2054         229   DFN-IP service G-WiN
        719      193        307         123   LANLINK autonomous system
       5400      187        174         134   BT Ignite European Backbone
       3215      186        753         102   France Telecom Transpac
       5515      186        779         148   Sonera Solution Autonomous Sy
        786      179       1874         179   The JANET IP Service
       8708      159        111         155   Romania Data Systems S.A.
       3303      149        556         142   Swisscom Ltd
       3246      128        376         126   Song Networks
      12302      127         18          34   MobiFon S.A.
       3269      119        853          65   TELECOM ITALIA
       2856      113       1293         104   BTnet UK Regional network
      25186      108        128          75   France Telecom Transpac's Tra
       3352       97        824          33   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      327        103          97   ImpSat
       8151      235        367         123   UniNet S.A. de C.V. 
       7303      217         40          51   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       88         24          36   Integrated Systems 
       6147       86         70          19   Telefonica Del Peru 
       8065       81          8          17   Empresas Publicas de Medellin
       6505       80         84          69   Global One Communicaoes Ltda 
      15311       77         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
       7927       66          6          40   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
       1916       61        270          41   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
       6198      1218        1023      BellSouth Network Solutions, 
       6197       988         756      BellSouth Network Solutions, 
      18566       701         693      Covad Communications 
       4323       675         479      Time Warner Communications, I
       3908       930         429      Supernet, Inc. 
       7018      1403         427      AT&T 
       7843       530         394      Adelphia Corp. 
       4755       385         311      Videsh Sanchar Nigam Ltd. Aut
       5668       308         293      Century Telephone 
      27364       314         291      Armstrong Cable Services 
       4355       394         285      EarthLink, Inc. 
       1221       969         283      Telstra Pty Ltd
      22909       296         279      Comcast Cable Corporation 
       6347       349         269      SAVVIS Communications Corpora
       4134       364         259      Data Communications Bureau
       1239       910         258      Sprint 
      22773       288         251      Cox Communications, Inc. Atla
       9583       276         250      Satyam Infoway Ltd.,
        376       360         245      Reseau Interordinateurs Scien
      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
      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        /8:19       /9:4       /10:6       /11:12      /12:55      
      /13:99      /14:268     /15:470     /16:7425    /17:1757    /18:3147    
      /19:8463    /20:8872    /21:6542    /22:9348    /23:10731   /24:70974   
      /25:152     /26:202     /27:168     /28:20      /29:9       /30:52      
      /31:0       /32:21      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6198     1094          1218      BellSouth Network Solutions, 
       6197      847           988      BellSouth Network Solutions, 
      18566      695           701      Covad Communications 
       3908      588           930      Supernet, Inc. 
       7018      505          1403      AT&T 
        701      441          1461      UUNET Technologies, Inc. 
        702      424           708      UUNET - Commercial IP service
       7066      394           499      Virginia Polytechnic Institut
        690      371           411      Merit Network 
       1239      316           910      Sprint 
      20115      311           465      Charter Communications 
      27364      308           314      Armstrong Cable Services 
       3356      281           588      Level 3 Communications, LLC 
       5668      274           308      Century Telephone 
      25844      243           243      Skadden, Arps, Slate, Meagher
       3320      219           280      Deutsche Telekom AG
       4355      214           394      EarthLink, Inc. 
       7843      211           530      Adelphia Corp. 
        209      200           503      Qwest 
      14824      199           226      NewSouth Communications Corp.
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:708      13:1        15:4        16:1        17:3      
        20:6        24:818      25:1        32:84       38:49       40:23     
        43:1        44:2        55:1        57:14       61:301      62:424    
        63:1884     64:1782     65:2115     66:2278     67:429      68:850    
        69:267      80:421      81:170      82:18      128:140     129:156    
       130:64      131:81      132:18      134:166     135:9       136:185    
       137:118     138:129     139:50      140:164     141:137     142:102    
       143:46      144:84      145:14      146:269     147:65      148:300    
       149:78      150:121     151:66      152:217     153:58      154:7      
       155:130     156:58      157:55      158:139     159:142     160:45     
       161:69      162:362     163:68      164:315     165:149     166:99     
       167:304     168:178     169:96      170:323     171:9       192:5329   
       193:2442    194:1976    195:1166    196:474     198:3617    199:2851   
       200:3026    202:4026    203:5259    204:2994    205:2060    206:2300   
       207:2515    208:2643    209:2756    210:936     211:371     212:930    
       213:924     214:15      215:22      216:3267    217:753     218:108    
       219:41      220:117     221:13      222:1      
      
      End of report