[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, 23 May 2003 20:05:45 +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   20:00 +10GMT Fri 23 May, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            126181
          Prefixes after maximum aggregation:                         78783
          Unique aggregates announced to Internet:                    59131
      Total ASes present in the Internet Routing Table:               15226
      Origin-only ASes present in the Internet Routing Table:         13198
      Origin ASes announcing only one prefix:                          5968
      Transit ASes present in the Internet Routing Table:              2028
      Transit-only ASes present in the Internet Routing Table:           73
      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:              4
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           18
      Number of addresses announced to Internet:                 1230646464
          Equivalent to 73 /8s, 90 /16s and 44 /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:     54837
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  21501
          Total APNIC prefixes after maximum aggregation:             12486
      Prefixes being announced from the APNIC address blocks:         19899
          Unique aggregates announced from the APNIC address blocks:  12026
      APNIC Region origin ASes present in the Internet Routing Table:  1804
      APNIC Region origin ASes announcing only one prefix:              521
      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:            113446432
          Equivalent to 6 /8s, 195 /16s and 14 /24s
          Percentage of available APNIC address space announced:       61.1
      
      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:                   77763
          Total ARIN prefixes after maximum aggregation:              48191
      Prefixes being announced from the ARIN address blocks:          55810
          Unique aggregates announced from the ARIN address blocks:   16539
      ARIN Region origin ASes present in the Internet Routing Table:   8426
      ARIN Region origin ASes announcing only one prefix:              2874
      ARIN Region transit ASes present in the Internet Routing Table:   812
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             192109056
          Equivalent to 11 /8s, 115 /16s and 90 /24s
          Percentage of available ARIN address space announced:        71.6
      
      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:                   21561
          Total RIPE prefixes after maximum aggregation:              15856
      Prefixes being announced from the RIPE address blocks:          18075
          Unique aggregates announced from the RIPE address blocks:   12050
      RIPE Region origin ASes present in the Internet Routing Table:   4589
      RIPE Region origin ASes announcing only one prefix:              2486
      RIPE Region transit ASes present in the Internet Routing Table:   816
      Average RIPE Region AS path length visible:                       5.5
          Max RIPE Region AS path length visible:                        20
      Number of RIPE addresses announced to Internet:             131014912
          Equivalent to 7 /8s, 207 /16s and 33 /24s
          Percentage of available RIPE address space announced:        71.0
      
      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:                  5352
          Total LACNIC prefixes after maximum aggregation:             2250
      Prefixes being announced from the LACNIC address blocks:         4759
          Unique aggregates announced from the LACNIC address blocks:  2973
      LACNIC Region origin ASes present in the Internet Routing Table:  334
      LACNIC Region origin ASes announcing only one prefix:              87
      LACNIC Region transit ASes present in the Internet Routing Table:  67
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      24
      Number of LACNIC addresses announced to Internet:            12579584
          Equivalent to 0 /8s, 191 /16s and 243 /24s
          Percentage of available LACNIC address space announced:      37.5
      
      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     1081       1103         770   Telstra Pty Ltd
       4755      407        135          72   Videsh Sanchar Nigam Ltd. Aut
       2907      376       1927         352   SINET Japan
      17557      375         26         152   Pakistan Telecom
        703      347        373         276   UUNET
       2764      315        342         279   connect.com.au pty ltd
       4814      295         86          19   China Telecom (Group)
       7474      270        290         203   Optus Communications Pty Ltd
      17676      248       3830          17   XTAGE CORPORATION
       3786      242        773         209   DACOM Corporation
       4134      235       2042         117   Data Communications Bureau
       9583      225         34          17   Satyam Infoway Ltd.,
       4766      213       2475         159   Korea Internet Exchange for "
       9443      183         58          83   Primus Telecommunications
       9800      181        260          59   CHINA UNICOM
       9498      141         10          16   BHARTI BT INTERNET LTD.
       4739      137         57         125   Commerical Internet eXchange 
       9238      134          8          17   TATA ISP
       4716      127        729         121   TTnet
       7539      127        124         101   TANet2, sponsored by NSC, TAI
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1558       8933        1101   UUNET Technologies, Inc. 
       7018     1320       7190         908   AT&T 
       4151     1258        691          60   USDA 
       7132      965       6475         207   Southwestern Bell Internet Se
       1239      942       3010         664   Sprint 
       3908      926       1557         485   Supernet, Inc. 
        189      706        341         289   Genuity 
       7843      671        348         177   Adelphia Corp. 
          1      658       2622         447   GENUITY 
       4323      597        525         175   Time Warner Communications, I
      18566      579        160           8   Covad Communications 
       2386      571        507         271   AT&T Data Communications Serv
        852      534       1123         422   Telus Advanced Communications
        705      509        272         332   UUNET Technologies, Inc. 
        209      489       2104         294   Qwest 
       6197      487        341         196   BellSouth Network Solutions, 
       7066      485        204         260   Virginia Polytechnic Institut
        690      477         69         316   Merit Network 
      20115      472        195         288   Charter Communications 
       6198      463        229         177   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      755       2175         641   UUNET - Commercial IP service
       3320      346       2004         228   Deutsche Telekom AG
       3301      307       1140         294   TeliaNet Sweden
       3215      302        852         173   France Telecom Transpac
        680      232       2053         229   DFN-IP service G-WiN
       1257      227        327         189   SWIPnet Swedish IP Network
       8220      224        384         211   COLT Internet - International
        719      215        307         124   LANLINK autonomous system
       5400      204        121         115   BT Ignite European Backbone
       5515      181        795         152   Sonera Solution Autonomous Sy
        786      179       1874         179   The JANET IP Service
      20858      163         17           3   This AS will be used to conne
       8708      154         44         149   Romania Data Systems S.A.
       3303      143        549         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      112        365         110   Song Networks
       3352      108        780          32   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      300         98         108   ImpSat
       7303      245         36          58   Telecom Argentina Stet-France
       8151      212        350         118   UniNet S.A. de C.V. 
      11172      169         66          41   Servicios Alestra S.A de C.V 
      16814      137          9          18   NSS, S.A. 
       6503      136        190          99   AVANTEL, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340      105          3          33   Red Universitaria Nacional 
       6147       96         62          20   Telefonica Del Peru 
      11992       90          9          38   Integrated Systems 
       8065       80          8          14   Empresas Publicas de Medellin
       6535       74          5          23   Chilesat Servicios  Empresari
       1916       73        306          43   Fundacao de Amparo a Pesquisa
      15311       71         12          35   Telefonica Empresas 
       4270       68         18           9   Red de Interconexion Universi
       7738       67        186          12   Telecomunicacoes da Bahia S.A
      11830       66          4          27   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
      11311       64          6          13   Sinectis S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151      1258        1198      USDA 
       7132       965         758      Southwestern Bell Internet Se
      18566       579         571      Covad Communications 
       7843       671         494      Adelphia Corp. 
       3908       926         441      Supernet, Inc. 
       4323       597         422      Time Warner Communications, I
        189       706         417      Genuity 
       7018      1320         412      AT&T 
       4755       407         335      Videsh Sanchar Nigam Ltd. Aut
       1221      1081         311      Telstra Pty Ltd
       2386       571         300      AT&T Data Communications Serv
       6197       487         291      BellSouth Network Solutions, 
       4355       400         290      EarthLink, Inc. 
       6198       463         286      BellSouth Network Solutions, 
       6347       361         282      SAVVIS Communications Corpora
       1239       942         278      Sprint 
       4814       295         276      China Telecom (Group)
      22927       288         275      TELEFONICA DE ARGENTINA 
      27364       294         274      Armstrong Cable Services 
      22909       269         252      Comcast Cable Corporation 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65516   PRIVATE       61.232.70.0/24       17621       China Netcom Corp.
      65516   PRIVATE       61.232.71.0/24       17621       China Netcom Corp.
      65516   PRIVATE       61.232.72.0/22       17621       China Netcom Corp.
       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      
      /13:98      /14:254     /15:473     /16:7420    /17:1683    /18:2970    
      /19:8437    /20:8424    /21:6110    /22:9034    /23:10649   /24:70028   
      /25:161     /26:210     /27:52      /28:26      /29:12      /30:20      
      /31:0       /32:25      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      629           706      Genuity 
       3908      578           926      Supernet, Inc. 
      18566      573           579      Covad Communications 
        702      464           755      UUNET - Commercial IP service
       7018      455          1320      AT&T 
        701      436          1558      UUNET Technologies, Inc. 
       7843      435           671      Adelphia Corp. 
        690      428           477      Merit Network 
       7066      382           485      Virginia Polytechnic Institut
       6197      363           487      BellSouth Network Solutions, 
       6198      362           463      BellSouth Network Solutions, 
       1239      351           942      Sprint 
       2386      351           571      AT&T Data Communications Serv
      20115      333           472      Charter Communications 
       3320      289           346      Deutsche Telekom AG
      27364      287           294      Armstrong Cable Services 
       4814      281           295      China Telecom (Group)
          1      245           658      GENUITY 
      22927      226           288      TELEFONICA DE ARGENTINA 
       3215      225           302      France Telecom Transpac
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:706      13:1        15:4        16:1        17:3        20:8      
        24:831      25:1        32:87       38:123      40:19       44:2      
        55:1        57:17       61:459      62:561      63:1878     64:1773   
        65:1929     66:2453     67:174      68:387      69:146      80:346    
        81:124     128:145     129:181     130:44      131:80      132:12     
       133:1       134:177     135:4       136:116     137:107     138:108    
       139:65      140:138     141:117     142:93      143:44      144:105    
       145:14      146:263     147:95      148:287     149:70      150:44     
       151:79      152:241     153:57      154:7       155:108     156:48     
       157:35      158:126     159:145     160:39      161:75      162:130    
       163:75      164:306     165:144     166:93      167:330     168:399    
       169:62      170:317     171:7       192:5306    193:2403    194:1974   
       195:1016    196:466     198:3577    199:3913    200:2957    202:3759   
       203:5217    204:2998    205:2051    206:2380    207:2373    208:2628   
       209:2840    210:809     211:332     212:946     213:781     214:20     
       215:23      216:3260    217:606     218:91      219:38      220:95     
       221:2      
      
      End of report