[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, 2 May 2003 20:06:39 +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 02 May, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            125192
          Prefixes after maximum aggregation:                         78322
          Unique aggregates announced to Internet:                    59136
      Total ASes present in the Internet Routing Table:               15117
      Origin-only ASes present in the Internet Routing Table:         13122
      Origin ASes announcing only one prefix:                          5953
      Transit ASes present in the Internet Routing Table:              1995
      Transit-only ASes present in the Internet Routing Table:           74
      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:              1
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           19
      Number of addresses announced to Internet:                 1228266752
          Equivalent to 73 /8s, 53 /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:             55.9
      Total number of prefixes smaller than registry allocations:     54267
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  21236
          Total APNIC prefixes after maximum aggregation:             12342
      Prefixes being announced from the APNIC address blocks:         19674
          Unique aggregates announced from the APNIC address blocks:  11997
      APNIC Region origin ASes present in the Internet Routing Table:  1790
      APNIC Region origin ASes announcing only one prefix:              523
      APNIC Region transit ASes present in the Internet Routing Table:  301
      Average APNIC Region AS path length visible:                      5.0
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            112666592
          Equivalent to 6 /8s, 183 /16s and 39 /24s
          Percentage of available APNIC address space announced:       60.7
      
      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:                   77078
          Total ARIN prefixes after maximum aggregation:              47950
      Prefixes being announced from the ARIN address blocks:          55091
          Unique aggregates announced from the ARIN address blocks:   16452
      ARIN Region origin ASes present in the Internet Routing Table:   8360
      ARIN Region origin ASes announcing only one prefix:              2858
      ARIN Region transit ASes present in the Internet Routing Table:   789
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             191327744
          Equivalent to 11 /8s, 103 /16s and 110 /24s
          Percentage of available ARIN address space announced:        71.3
      
      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:                   21575
          Total RIPE prefixes after maximum aggregation:              15802
      Prefixes being announced from the RIPE address blocks:          18129
          Unique aggregates announced from the RIPE address blocks:   12085
      RIPE Region origin ASes present in the Internet Routing Table:   4558
      RIPE Region origin ASes announcing only one prefix:              2482
      RIPE Region transit ASes present in the Internet Routing Table:   805
      Average RIPE Region AS path length visible:                       5.3
          Max RIPE Region AS path length visible:                        18
      Number of RIPE addresses announced to Internet:             129880704
          Equivalent to 7 /8s, 189 /16s and 210 /24s
          Percentage of available RIPE address space announced:        70.4
      
      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:                  5302
          Total LACNIC prefixes after maximum aggregation:             2228
      Prefixes being announced from the LACNIC address blocks:         4747
          Unique aggregates announced from the LACNIC address blocks:  2977
      LACNIC Region origin ASes present in the Internet Routing Table:  334
      LACNIC Region origin ASes announcing only one prefix:              90
      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:            12494336
          Equivalent to 0 /8s, 190 /16s and 166 /24s
          Percentage of available LACNIC address space announced:      37.2
      
      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     1100       1104         787   Telstra Pty Ltd
       4755      415        136          74   Videsh Sanchar Nigam Ltd. Aut
        703      394        383         307   UUNET
       2907      387       1992         364   SINET Japan
      17557      373         27         140   Pakistan Telecom
       2764      320        341         288   connect.com.au pty ltd
       4814      297         85          23   China Telecom (Group)
       7474      272        291         208   Optus Communications Pty Ltd
      17676      245       3782          22   XTAGE CORPORATION
       3786      242        773         209   DACOM Corporation
       4134      225       2022         115   Data Communications Bureau
       9583      219         33          14   Satyam Infoway Ltd.,
       4766      217       2478         163   Korea Internet Exchange for "
       9443      180         58          79   Primus Telecommunications
       9800      179        259          57   CHINA UNICOM
       9238      140          8          17   TATA ISP
       4739      136         57         125   Commerical Internet eXchange 
       9498      130          9          18   BHARTI BT INTERNET LTD.
       4716      126        729         120   TTnet
       9768      126        384          64   Korea Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1568       8938        1106   UUNET Technologies, Inc. 
       7018     1336       7143         926   AT&T 
       4151     1003        691          60   USDA 
       1239      966       3114         684   Sprint 
       7132      961       6475         207   Southwestern Bell Internet Se
       3908      916       1570         469   Supernet, Inc. 
          1      725       2733         460   GENUITY 
        189      706        341         289   Genuity 
       7843      684        345         184   Adelphia Corp. 
       4323      587        514         169   Time Warner Communications, I
      18566      550        144           5   Covad Communications 
        852      548       1110         431   Telus Advanced Communications
       2386      546        484         271   AT&T Data Communications Serv
        705      529        280         234   UUNET Technologies, Inc. 
       3561      507       2340         329   Cable & Wireless USA 
        209      498       2105         296   Qwest 
        690      487         71         317   Merit Network 
       7066      484        204         258   Virginia Polytechnic Institut
       6197      478        340         196   BellSouth Network Solutions, 
      20115      475        190         295   Charter Communications 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      771       2170         641   UUNET - Commercial IP service
       3301      308       1173         298   TeliaNet Sweden
       3215      304        852         174   France Telecom Transpac
       3320      266       2004         227   Deutsche Telekom AG
        680      231       2051         228   DFN-IP service G-WiN
       1257      227        328         189   SWIPnet Swedish IP Network
       5400      205        112         114   BT Ignite European Backbone
       8220      199        364         188   COLT Internet - International
        719      193        307         125   LANLINK autonomous system
       5515      187        779         160   Sonera Solution Autonomous Sy
        786      180       1874         180   The JANET IP Service
      20858      165         17           3   This AS will be used to conne
       8708      162         44         151   Romania Data Systems S.A.
       3303      141        517         140   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       2856      123       1299         112   BTnet UK Regional network
       3269      112        755          63   TELECOM ITALIA
       3246      109        383         106   Song Networks
       3352      108        750          31   Ibernet, Internet Access Netw
       2874       99         84          37   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      289         98         105   ImpSat
       7303      255         36          65   Telecom Argentina Stet-France
       8151      220        335         122   UniNet S.A. de C.V. 
      11172      166         66          36   Servicios Alestra S.A de C.V 
       6503      141        206         101   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340       96          3          30   Red Universitaria Nacional 
       6147       91         62          20   Telefonica Del Peru 
      11992       89          8          37   Integrated Systems 
      13999       74         36           8   Mega Cable S.A. de C.V. 
       1916       73        306          43   Fundacao de Amparo a Pesquisa
       6535       72          5          21   Chilesat Servicios  Empresari
      15311       72         28          36   Telefonica Empresas 
       8065       70          6          15   Empresas Publicas de Medellin
       4270       67         18           9   Red de Interconexion Universi
      11830       67          5          27   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
       7984       61         11          41   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151      1003         943      USDA 
       7132       961         754      Southwestern Bell Internet Se
      18566       550         545      Covad Communications 
       7843       684         500      Adelphia Corp. 
       3908       916         447      Supernet, Inc. 
       4323       587         418      Time Warner Communications, I
        189       706         417      Genuity 
       7018      1336         410      AT&T 
       4755       415         341      Videsh Sanchar Nigam Ltd. Aut
       1221      1100         313      Telstra Pty Ltd
        705       529         295      UUNET Technologies, Inc. 
       6347       369         289      SAVVIS Communications Corpora
       6198       458         283      BellSouth Network Solutions, 
       1239       966         282      Sprint 
       6197       478         282      BellSouth Network Solutions, 
       4355       381         281      EarthLink, Inc. 
       2386       546         275      AT&T Data Communications Serv
      22927       288         275      TELEFONICA DE ARGENTINA 
       4814       297         274      China Telecom (Group)
          1       725         265      GENUITY 
      
      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
      
      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 
      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        /8:17       /9:7       /10:8       /11:13      /12:51      
      /13:93      /14:253     /15:465     /16:7401    /17:1674    /18:2975    
      /19:8384    /20:8371    /21:5991    /22:8963    /23:10531   /24:69523   
      /25:157     /26:182     /27:47      /28:25      /29:13      /30:22      
      /31:0       /32:26      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      627           706      Genuity 
       3908      572           916      Supernet, Inc. 
      18566      544           550      Covad Communications 
        702      480           771      UUNET - Commercial IP service
       7018      466          1336      AT&T 
       7843      452           684      Adelphia Corp. 
        690      436           487      Merit Network 
        701      434          1568      UUNET Technologies, Inc. 
       7066      383           484      Virginia Polytechnic Institut
       1239      363           966      Sprint 
       6198      360           458      BellSouth Network Solutions, 
       6197      356           478      BellSouth Network Solutions, 
      20115      340           475      Charter Communications 
       2386      327           546      AT&T Data Communications Serv
       4814      284           297      China Telecom (Group)
      27364      263           270      Armstrong Cable Services 
          1      249           725      GENUITY 
       3215      227           304      France Telecom Transpac
      22927      226           288      TELEFONICA DE ARGENTINA 
        705      219           529      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:692      13:1        15:4        17:3        20:8        24:815    
        25:1        32:87       38:121      40:19       44:2        55:1      
        57:15       61:440      62:539      63:1888     64:1568     65:1928   
        66:2401     67:163      68:372      69:121      80:358      81:154    
       128:151     129:178     130:44      131:81      132:11      133:2      
       134:152     135:4       136:113     137:106     138:109     139:67     
       140:151     141:110     142:97      143:43      144:104     145:17     
       146:268     147:94      148:282     149:73      150:44      151:78     
       152:244     153:55      154:2       155:111     156:46      157:42     
       158:125     159:148     160:36      161:74      162:144     163:75     
       164:307     165:143     166:94      167:332     168:397     169:57     
       170:308     171:7       192:5340    193:2422    194:1984    195:1012   
       196:462     198:3557    199:3677    200:2955    202:3795    203:5190   
       204:3037    205:2029    206:2374    207:2408    208:2617    209:2859   
       210:776     211:319     212:970     213:812     214:20      215:21     
       216:3221    217:634     218:90      219:21      220:94     
      
      End of report